diff --git a/snippets/fsharp/System.IO/File/AppendAllLines/fs.fsproj b/snippets/fsharp/System.IO/File/AppendAllLines/fs.fsproj new file mode 100644 index 00000000000..36cf252c6c2 --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendAllLines/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/AppendAllLines/program.fs b/snippets/fsharp/System.IO/File/AppendAllLines/program.fs new file mode 100644 index 00000000000..b3644b470b1 --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendAllLines/program.fs @@ -0,0 +1,36 @@ +module program +// +open System +open System.IO + +let dataPath = @"c:\temp\timestamps.txt" + +let createSampleFile () = + let timeStamp = DateTime(1700, 1, 1) + + use sw = new StreamWriter(dataPath) + + for i = 0 to 499 do + let ts1 = timeStamp.AddYears i + let ts2 = ts1.AddMonths i + let ts3 = ts2.AddDays i + ts3.ToLongDateString() |> sw.WriteLine + +createSampleFile () + +let julyWeekends = + File.ReadLines dataPath + |> Seq.filter (fun line -> + (line.StartsWith "Saturday" + || line.StartsWith "Sunday") + && line.Contains "July") + +File.WriteAllLines(@"C:\temp\selectedDays.txt", julyWeekends) + +let marchMondays = + File.ReadLines dataPath + |> Seq.filter (fun line -> line.StartsWith "Monday" && line.Contains "March") + +File.AppendAllLines(@"C:\temp\selectedDays.txt", marchMondays) + +// diff --git a/snippets/fsharp/System.IO/File/AppendAllText/AllText.fs b/snippets/fsharp/System.IO/File/AppendAllText/AllText.fs new file mode 100644 index 00000000000..001f8988c90 --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendAllText/AllText.fs @@ -0,0 +1,26 @@ +module AllText +// +open System +open System.IO + +let path = @"c:\temp\MyTest.txt" + +// This text is added only once to the file. +if File.Exists path |> not then + // Create a file to write to. + let createText = + "Hello and Welcome" + Environment.NewLine + + File.WriteAllText(path, createText) + +// This text is always added, making the file longer over time +// if it is not deleted. +let appendText = + "This is extra text" + Environment.NewLine + +File.AppendAllText(path, appendText) + +// Open the file to read from. +let readText = File.ReadAllText path +printfn $"{readText}" +// diff --git a/snippets/fsharp/System.IO/File/AppendAllText/AllText1.fs b/snippets/fsharp/System.IO/File/AppendAllText/AllText1.fs new file mode 100644 index 00000000000..5c480787bca --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendAllText/AllText1.fs @@ -0,0 +1,27 @@ +module AllText1 +// +open System +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +// This text is added only once to the file. +if File.Exists path |> not then + // Create a file to write to. + let createText = + "Hello and Welcome" + Environment.NewLine + + File.WriteAllText(path, createText, Encoding.UTF8) + +// This text is always added, making the file longer over time +// if it is not deleted. +let appendText = + "This is extra text" + Environment.NewLine + +File.AppendAllText(path, appendText, Encoding.UTF8) + +// Open the file to read from. +let readText = File.ReadAllText path +printfn $"{readText}" +// diff --git a/snippets/fsharp/System.IO/File/AppendAllText/fs.fsproj b/snippets/fsharp/System.IO/File/AppendAllText/fs.fsproj new file mode 100644 index 00000000000..554e39f6a3d --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendAllText/fs.fsproj @@ -0,0 +1,11 @@ + + + Exe + net6.0 + + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/AppendText/file_appendtext.fs b/snippets/fsharp/System.IO/File/AppendText/file_appendtext.fs new file mode 100644 index 00000000000..25edbb0b860 --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendText/file_appendtext.fs @@ -0,0 +1,32 @@ +module file_appendtext +// +open System.IO + +let path = @"c:\temp\MyTest.txt" + +// This text is added only once to the file. +if File.Exists path |> not then + // Create a file to write to. + use sw = File.CreateText path + sw.WriteLine "Hello" + sw.WriteLine "And" + sw.WriteLine "Welcome" + +// This text is always added, making the file longer over time +// if it is not deleted. +do + use sw = File.AppendText path + sw.WriteLine "This" + sw.WriteLine "is Extra" + sw.WriteLine "Text" + +// Open the file to read from. +do + use sr = File.OpenText path + + let mutable s = sr.ReadLine() + + while isNull s |> not do + printfn $"{s}" + s <- sr.ReadLine() +// diff --git a/snippets/fsharp/System.IO/File/AppendText/fs.fsproj b/snippets/fsharp/System.IO/File/AppendText/fs.fsproj new file mode 100644 index 00000000000..e535e5a6caf --- /dev/null +++ b/snippets/fsharp/System.IO/File/AppendText/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Copy/fs.fsproj b/snippets/fsharp/System.IO/File/Copy/fs.fsproj new file mode 100644 index 00000000000..36cf252c6c2 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Copy/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Copy/program.fs b/snippets/fsharp/System.IO/File/Copy/program.fs new file mode 100644 index 00000000000..6965238da99 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Copy/program.fs @@ -0,0 +1,44 @@ +open System.IO + +// +let sourceDir = @"c:\current" +let backupDir = @"c:\archives\2008" + +try + let picList = Directory.GetFiles(sourceDir, "*.jpg") + let txtList = Directory.GetFiles(sourceDir, "*.txt") + + // Copy picture files. + for f in picList do + // Remove path from the file name. + let fName = f.Substring(sourceDir.Length + 1) + + // Use the Path.Combine method to safely append the file name to the path. + // Will overwrite if the destination file already exists. + File.Copy(Path.Combine(sourceDir, fName), Path.Combine(backupDir, fName), true) + + // Copy text files. + for f in txtList do + // Remove path from the file name. + let fName = f.Substring(sourceDir.Length + 1) + + try + // Will not overwrite if the destination file already exists. + File.Copy(Path.Combine(sourceDir, fName), Path.Combine(backupDir, fName)) + + // Catch exception if the file was already copied. + with + | :? IOException as copyError -> printfn $"{copyError.Message}" + + // Delete source files that were copied. + for f in txtList do + File.Delete f + + for f in picList do + File.Delete f + +// Catch exception if the file was already copied. +with +| :? DirectoryNotFoundException as dirNotFound -> printfn $"{dirNotFound.Message}" + +// diff --git a/snippets/fsharp/System.IO/File/Create/file create1.fs b/snippets/fsharp/System.IO/File/Create/file create1.fs new file mode 100644 index 00000000000..d580f456fc6 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Create/file create1.fs @@ -0,0 +1,27 @@ +module filecreate1 + +// +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +// Create the file, or overwrite if the file exists. +do + use fs = File.Create path + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use sr = File.OpenText path + let mutable s = sr.ReadLine() + + while isNull s |> not do + printfn $"{s}" + s <- sr.ReadLine() +// diff --git a/snippets/fsharp/System.IO/File/Create/file create2.fs b/snippets/fsharp/System.IO/File/Create/file create2.fs new file mode 100644 index 00000000000..6360c0a4b9d --- /dev/null +++ b/snippets/fsharp/System.IO/File/Create/file create2.fs @@ -0,0 +1,27 @@ +module filecreate2 + +// +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +// Create the file, or overwrite if the file exists. +do + use fs = File.Create(path, 1024) + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use sr = File.OpenText path + let mutable s = sr.ReadLine() + + while isNull s |> not do + printfn $"{s}" + s <- sr.ReadLine() +// diff --git a/snippets/fsharp/System.IO/File/Create/fs.fsproj b/snippets/fsharp/System.IO/File/Create/fs.fsproj new file mode 100644 index 00000000000..f7418dec459 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Create/fs.fsproj @@ -0,0 +1,11 @@ + + + Exe + net6.0 + + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/CreateText/file createtext.fs b/snippets/fsharp/System.IO/File/CreateText/file createtext.fs new file mode 100644 index 00000000000..bbcd5c30bd8 --- /dev/null +++ b/snippets/fsharp/System.IO/File/CreateText/file createtext.fs @@ -0,0 +1,22 @@ +module filecreatetext + +// +open System.IO + +let path = @"c:\temp\MyTest.txt" + +if File.Exists path |> not then + // Create a file to write to. + use sw = File.CreateText path + sw.WriteLine "Hello" + sw.WriteLine "Welcome" + +// Open the file to read from. +do + use sr = File.OpenText path + let mutable s = sr.ReadLine() + + while isNull s |> not do + printfn $"{s}" + s <- sr.ReadLine() +// diff --git a/snippets/fsharp/System.IO/File/CreateText/fs.fsproj b/snippets/fsharp/System.IO/File/CreateText/fs.fsproj new file mode 100644 index 00000000000..36dff980b92 --- /dev/null +++ b/snippets/fsharp/System.IO/File/CreateText/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Decrypt/fs.fsproj b/snippets/fsharp/System.IO/File/Decrypt/fs.fsproj new file mode 100644 index 00000000000..3303de996c4 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Decrypt/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Decrypt/sample.fs b/snippets/fsharp/System.IO/File/Decrypt/sample.fs new file mode 100644 index 00000000000..4031c46451c --- /dev/null +++ b/snippets/fsharp/System.IO/File/Decrypt/sample.fs @@ -0,0 +1,23 @@ +// +open System.IO + +// Encrypt a file. +let addEncryption fileName = File.Encrypt fileName + +// Decrypt a file. +let removeEncryption fileName = File.Decrypt fileName + +let fileName = "test.xml" + +printfn $"Encrypt {fileName}" + +// Encrypt the file. +addEncryption fileName + +printfn $"Decrypt {fileName}" + +// Decrypt the file. +removeEncryption fileName + +printfn "Done" +// diff --git a/snippets/fsharp/System.IO/File/Exists/fs.fsproj b/snippets/fsharp/System.IO/File/Exists/fs.fsproj new file mode 100644 index 00000000000..36cf252c6c2 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Exists/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Exists/program.fs b/snippets/fsharp/System.IO/File/Exists/program.fs new file mode 100644 index 00000000000..c3db09c561c --- /dev/null +++ b/snippets/fsharp/System.IO/File/Exists/program.fs @@ -0,0 +1,11 @@ +open System.IO + +// +let curFile = @"c:\temp\test.txt" + +printfn + $"""{if File.Exists curFile then + "File exists." + else + "File does not exist."}""" +// diff --git a/snippets/fsharp/System.IO/File/GetAccessControl/fs.fsproj b/snippets/fsharp/System.IO/File/GetAccessControl/fs.fsproj new file mode 100644 index 00000000000..4b3b27f8055 --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetAccessControl/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net48 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/GetAccessControl/sample.fs b/snippets/fsharp/System.IO/File/GetAccessControl/sample.fs new file mode 100644 index 00000000000..820cd6686cd --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetAccessControl/sample.fs @@ -0,0 +1,44 @@ +// +open System.IO +open System.Security.AccessControl + +// Adds an ACL entry on the specified file for the specified account. +let addFileSecurity fileName (account: string) rights controlType = + // Get a FileSecurity object that represents the + // current security settings. + let fSecurity = File.GetAccessControl fileName + + // Add the FileSystemAccessRule to the security settings. + FileSystemAccessRule(account, rights, controlType) + |> fSecurity.AddAccessRule + + // Set the new access settings. + File.SetAccessControl(fileName, fSecurity) + +// Removes an ACL entry on the specified file for the specified account. +let removeFileSecurity fileName (account: string) rights controlType = + // Get a FileSecurity object that represents the + // current security settings. + let fSecurity = File.GetAccessControl fileName + + // Remove the FileSystemAccessRule from the security settings. + fSecurity.RemoveAccessRule(FileSystemAccessRule(account, rights, controlType)) + |> ignore + + // Set the new access settings. + File.SetAccessControl(fileName, fSecurity) + +let fileName = "test.xml" + +printfn $"Adding access control entry for {fileName}" + +// Add the access control entry to the file. +addFileSecurity fileName @"DomainName\AccountName" FileSystemRights.ReadData AccessControlType.Allow + +printfn $"Removing access control entry from {fileName}" + +// Remove the access control entry from the file. +removeFileSecurity fileName @"DomainName\AccountName" FileSystemRights.ReadData AccessControlType.Allow + +printfn "Done." +// diff --git a/snippets/fsharp/System.IO/File/GetAttributes/file getattributes.fs b/snippets/fsharp/System.IO/File/GetAttributes/file getattributes.fs new file mode 100644 index 00000000000..14a537ae7d5 --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetAttributes/file getattributes.fs @@ -0,0 +1,27 @@ +module filegetattributes +// +open System.IO +open System.Text + +let removeAttribute attributes attributesToRemove = attributes &&& ~~~attributesToRemove + +let path = @"c:\temp\MyTest.txt" + +// Create the file if it does not exist. +if File.Exists path |> not then + File.Create path |> ignore + +let attributes = File.GetAttributes path + +if attributes &&& FileAttributes.Hidden = FileAttributes.Hidden then + // Show the file. + let attributes = + removeAttribute attributes FileAttributes.Hidden + + File.SetAttributes(path, attributes) + printfn $"The {path} file is no longer hidden." +else + // Hide the file. + File.SetAttributes(path, File.GetAttributes path ||| FileAttributes.Hidden) + printfn $"The {path} file is now hidden." +// diff --git a/snippets/fsharp/System.IO/File/GetAttributes/fs.fsproj b/snippets/fsharp/System.IO/File/GetAttributes/fs.fsproj new file mode 100644 index 00000000000..48cb918e5d9 --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetAttributes/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/GetLastAccessTime/file getlastaccess.fs b/snippets/fsharp/System.IO/File/GetLastAccessTime/file getlastaccess.fs new file mode 100644 index 00000000000..41ad6198244 --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetLastAccessTime/file getlastaccess.fs @@ -0,0 +1,21 @@ +module filegetlastaccess +// +open System +open System.IO + +let path = @"c:\Temp\MyTest.txt" + +if File.Exists path |> not then + File.Create path |> ignore + +File.SetLastAccessTime(path, DateTime(1985, 5, 4)) + +// Get the creation time of a well-known directory. +let dt = File.GetLastAccessTime path +printfn $"The last access time for this file was {dt}." + +// Update the last access time. +File.SetLastAccessTime(path, DateTime.Now) +let dt2 = File.GetLastAccessTime path +printfn $"The last access time for this file was {dt2}." +// diff --git a/snippets/fsharp/System.IO/File/GetLastAccessTime/fs.fsproj b/snippets/fsharp/System.IO/File/GetLastAccessTime/fs.fsproj new file mode 100644 index 00000000000..bfa164acccc --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetLastAccessTime/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/GetLastWriteTime/file getlastwrite.fs b/snippets/fsharp/System.IO/File/GetLastWriteTime/file getlastwrite.fs new file mode 100644 index 00000000000..8e0a35131d7 --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetLastWriteTime/file getlastwrite.fs @@ -0,0 +1,22 @@ +module filegetlastwrite +// +open System +open System.IO + +let path = @"c:\Temp\MyTest.txt" + +if File.Exists path |> not then + File.Create path |> ignore +else + // Take an action that will affect the write time. + File.SetLastWriteTime(path, DateTime(1985, 4, 3)) + +// Get the creation time of a well-known directory. +let dt = File.GetLastWriteTime path +printfn $"The last write time for this file was {dt}." + +// Update the last write time. +File.SetLastWriteTime(path, DateTime.Now) +let dt2 = File.GetLastWriteTime path +printfn $"The last write time for this file was {dt2}." +// diff --git a/snippets/fsharp/System.IO/File/GetLastWriteTime/fs.fsproj b/snippets/fsharp/System.IO/File/GetLastWriteTime/fs.fsproj new file mode 100644 index 00000000000..4b7f4bee82d --- /dev/null +++ b/snippets/fsharp/System.IO/File/GetLastWriteTime/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Move/file move.fs b/snippets/fsharp/System.IO/File/Move/file move.fs new file mode 100644 index 00000000000..7de60b4d5dc --- /dev/null +++ b/snippets/fsharp/System.IO/File/Move/file move.fs @@ -0,0 +1,27 @@ +module filemove +// +open System.IO + +let path = @"c:\temp\MyTest.txt" +let path2 = @"c:\temp2\MyTest.txt" + +if File.Exists path |> not then + // This statement ensures that the file is created, + // but the handle is not kept. + use _ = File.Create path + () + +// Ensure that the target does not exist. +if File.Exists path2 then + File.Delete path2 + +// Move the file. +File.Move(path, path2) +printfn $"{path} was moved to {path2}." + +// See if the original exists now. +if File.Exists path then + printfn "The original file still exists, which is unexpected." +else + printfn "The original file no longer exists, which is expected." +// diff --git a/snippets/fsharp/System.IO/File/Move/fs.fsproj b/snippets/fsharp/System.IO/File/Move/fs.fsproj new file mode 100644 index 00000000000..33a0fcc24c1 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Move/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Open/file open1.fs b/snippets/fsharp/System.IO/File/Open/file open1.fs new file mode 100644 index 00000000000..196869087ad --- /dev/null +++ b/snippets/fsharp/System.IO/File/Open/file open1.fs @@ -0,0 +1,27 @@ +module fileopen1 +// +open System.IO +open System.Text + +// Create a temporary file, and put some data into it. +let path = Path.GetTempFileName() + +do + use fs = + File.Open(path, FileMode.Open, FileAccess.Write, FileShare.None) + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use fs = File.Open(path, FileMode.Open) + let b = Array.zeroCreate 1024 + let temp = UTF8Encoding true + + while fs.Read(b, 0, b.Length) > 0 do + printfn $"{temp.GetString b}" +// diff --git a/snippets/fsharp/System.IO/File/Open/file open2.fs b/snippets/fsharp/System.IO/File/Open/file open2.fs new file mode 100644 index 00000000000..6cab38fbd29 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Open/file open2.fs @@ -0,0 +1,39 @@ +module fileopen2 +// +open System.IO +open System.Text + +// This sample assumes that you have a folder named "c:\temp" on your computer. +let filePath = @"c:\temp\MyTest.txt" + +// Delete the file if it exists. +if File.Exists filePath then + File.Delete filePath + +// Create the file. +do + use fs = File.Create filePath + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use fs = + File.Open(filePath, FileMode.Open, FileAccess.Read) + + let b = Array.zeroCreate 1024 + let temp = UTF8Encoding true + + while fs.Read(b, 0, b.Length) > 0 do + printfn $"{temp.GetString b}" + + try + // Try to write to the file. + fs.Write(b, 0, b.Length) + with + | e -> printfn $"Writing was disallowed, as expected: {e}" +// diff --git a/snippets/fsharp/System.IO/File/Open/file open3.fs b/snippets/fsharp/System.IO/File/Open/file open3.fs new file mode 100644 index 00000000000..246898a09af --- /dev/null +++ b/snippets/fsharp/System.IO/File/Open/file open3.fs @@ -0,0 +1,38 @@ +module fileopen3 +// +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +// Create the file if it does not exist. +if File.Exists path |> not then + // Create the file. + use fs = File.Create path + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use fs = + File.Open(path, FileMode.Open, FileAccess.Read, FileShare.None) + + let b = Array.zeroCreate 1024 + let temp = UTF8Encoding true + + while fs.Read(b, 0, b.Length) > 0 do + printfn $"{temp.GetString b}" + + try + // Try to get another handle to the same file. + use fs2 = File.Open(path, FileMode.Open) + // Do some task here. + () + with + | e -> printf "Opening the file twice is disallowed, as expected: {e}" +// diff --git a/snippets/fsharp/System.IO/File/Open/fs.fsproj b/snippets/fsharp/System.IO/File/Open/fs.fsproj new file mode 100644 index 00000000000..77e714d3320 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Open/fs.fsproj @@ -0,0 +1,12 @@ + + + Exe + net6.0 + + + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/OpenRead/file openread.fs b/snippets/fsharp/System.IO/File/OpenRead/file openread.fs new file mode 100644 index 00000000000..d4cfe052b55 --- /dev/null +++ b/snippets/fsharp/System.IO/File/OpenRead/file openread.fs @@ -0,0 +1,27 @@ +module fileopenread +// +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +if File.Exists path |> not then + // Create the file. + use fs = File.Create path + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use fs = File.OpenRead path + let b = Array.zeroCreate 1024 + let temp = UTF8Encoding true + + while fs.Read(b, 0, b.Length) > 0 do + printfn $"{temp.GetString b}" +// diff --git a/snippets/fsharp/System.IO/File/OpenRead/fs.fsproj b/snippets/fsharp/System.IO/File/OpenRead/fs.fsproj new file mode 100644 index 00000000000..f650e4a4d64 --- /dev/null +++ b/snippets/fsharp/System.IO/File/OpenRead/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/OpenText/file opentext.fs b/snippets/fsharp/System.IO/File/OpenText/file opentext.fs new file mode 100644 index 00000000000..016871522af --- /dev/null +++ b/snippets/fsharp/System.IO/File/OpenText/file opentext.fs @@ -0,0 +1,27 @@ +module fileopentext +// +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +if File.Exists path |> not then + // Create the file. + use fs = File.Create path + + let info = + UTF8Encoding(true) + .GetBytes "This is some text in the file." + + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use sr = File.OpenText path + let mutable s = sr.ReadLine() + + while isNull s |> not do + printfn $"{s}" + s <- sr.ReadLine() +// diff --git a/snippets/fsharp/System.IO/File/OpenText/fs.fsproj b/snippets/fsharp/System.IO/File/OpenText/fs.fsproj new file mode 100644 index 00000000000..598dd955adf --- /dev/null +++ b/snippets/fsharp/System.IO/File/OpenText/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/OpenWrite/file openwrite.fs b/snippets/fsharp/System.IO/File/OpenWrite/file openwrite.fs new file mode 100644 index 00000000000..640c464eae9 --- /dev/null +++ b/snippets/fsharp/System.IO/File/OpenWrite/file openwrite.fs @@ -0,0 +1,27 @@ +module fileopenwrite +// +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +// Open the stream and write to it. +do + use fs = File.OpenWrite path + + let info = + UTF8Encoding(true) + .GetBytes "This is to test the OpenWrite method." + + // Add some information to the file. + fs.Write(info, 0, info.Length) + +// Open the stream and read it back. +do + use fs = File.OpenRead path + let b = Array.zeroCreate 1024 + let temp = UTF8Encoding true + + while fs.Read(b, 0, b.Length) > 0 do + printfn $"{temp.GetString b}" +// diff --git a/snippets/fsharp/System.IO/File/OpenWrite/fs.fsproj b/snippets/fsharp/System.IO/File/OpenWrite/fs.fsproj new file mode 100644 index 00000000000..fe469142bd7 --- /dev/null +++ b/snippets/fsharp/System.IO/File/OpenWrite/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Overview/file class example.fs b/snippets/fsharp/System.IO/File/Overview/file class example.fs new file mode 100644 index 00000000000..cf2abda4411 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Overview/file class example.fs @@ -0,0 +1,23 @@ +module fileclassexample + +// +open System.IO + +let path = @"c:\temp\MyTest.txt" + +if File.Exists path |> not then + // Create a file to write to. + use sw = File.CreateText path + sw.WriteLine "Hello" + sw.WriteLine "And" + sw.WriteLine "Welcome" + +// Open the file to read from. +do + use sr = File.OpenText path + let mutable s = sr.ReadLine() + + while isNull s |> not do + printfn $"{s}" + s <- sr.ReadLine() +// diff --git a/snippets/fsharp/System.IO/File/Overview/fs.fsproj b/snippets/fsharp/System.IO/File/Overview/fs.fsproj new file mode 100644 index 00000000000..2ddd923520f --- /dev/null +++ b/snippets/fsharp/System.IO/File/Overview/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/ReadAllLines/AllText.fs b/snippets/fsharp/System.IO/File/ReadAllLines/AllText.fs new file mode 100644 index 00000000000..79a4202a07e --- /dev/null +++ b/snippets/fsharp/System.IO/File/ReadAllLines/AllText.fs @@ -0,0 +1,26 @@ +module alltext +// +open System +open System.IO + +let path = @"c:\temp\MyTest.txt" + +// This text is added only once to the file. +if File.Exists path |> not then + // Create a file to write to. + let createText = [ "Hello"; "And"; "Welcome" ] + File.WriteAllLines(path, createText) + +// This text is always added, making the file longer over time +// if it is not deleted. +let appendText = + "This is extra text" + Environment.NewLine + +File.AppendAllText(path, appendText) + +// Open the file to read from. +let readText = File.ReadAllLines path + +for s in readText do + printfn $"{s}" +// diff --git a/snippets/fsharp/System.IO/File/ReadAllLines/AllText_Encoding.fs b/snippets/fsharp/System.IO/File/ReadAllLines/AllText_Encoding.fs new file mode 100644 index 00000000000..62ca0755036 --- /dev/null +++ b/snippets/fsharp/System.IO/File/ReadAllLines/AllText_Encoding.fs @@ -0,0 +1,27 @@ +module alltext_encoding +// +open System +open System.IO +open System.Text + +let path = @"c:\temp\MyTest.txt" + +// This text is added only once to the file. +if File.Exists path |> not then + // Create a file to write to. + let createText = [ "Hello"; "And"; "Welcome" ] + File.WriteAllLines(path, createText, Encoding.UTF8) + +// This text is always added, making the file longer over time +// if it is not deleted. +let appendText = + "This is extra text" + Environment.NewLine + +File.AppendAllText(path, appendText, Encoding.UTF8) + +// Open the file to read from. +let readText = File.ReadAllLines(path, Encoding.UTF8) + +for s in readText do + printfn $"{s}" +// diff --git a/snippets/fsharp/System.IO/File/ReadAllLines/fs.fsproj b/snippets/fsharp/System.IO/File/ReadAllLines/fs.fsproj new file mode 100644 index 00000000000..45318a5e120 --- /dev/null +++ b/snippets/fsharp/System.IO/File/ReadAllLines/fs.fsproj @@ -0,0 +1,11 @@ + + + Exe + net6.0 + + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/ReadLines/fs.fsproj b/snippets/fsharp/System.IO/File/ReadLines/fs.fsproj new file mode 100644 index 00000000000..36cf252c6c2 --- /dev/null +++ b/snippets/fsharp/System.IO/File/ReadLines/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/ReadLines/program.fs b/snippets/fsharp/System.IO/File/ReadLines/program.fs new file mode 100644 index 00000000000..7d841b65462 --- /dev/null +++ b/snippets/fsharp/System.IO/File/ReadLines/program.fs @@ -0,0 +1,7 @@ +open System.IO + +// +for line in File.ReadLines @"d:\data\episodes.txt" do + if line.Contains "episode" && line.Contains "2006" then + printfn $"{line}" +// diff --git a/snippets/fsharp/System.IO/File/Replace/fs.fsproj b/snippets/fsharp/System.IO/File/Replace/fs.fsproj new file mode 100644 index 00000000000..3303de996c4 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Replace/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/Replace/sample.fs b/snippets/fsharp/System.IO/File/Replace/sample.fs new file mode 100644 index 00000000000..300b1b2a098 --- /dev/null +++ b/snippets/fsharp/System.IO/File/Replace/sample.fs @@ -0,0 +1,20 @@ +// +open System +open System.IO + +// Move a file into another file, delete the original, and create a backup of the replaced file. +let replaceFile fileToMoveAndDelete fileToReplace backupOfFileToReplace = + File.Replace(fileToMoveAndDelete, fileToReplace, backupOfFileToReplace, false) + +let originalFile = "test.xml" +let fileToReplace = "test2.xml" +let backUpOfFileToReplace = "test2.xml.bac" + +printfn + $"Move the contents of {originalFile} into {fileToReplace}, delete {originalFile}, and create a backup of {fileToReplace}." + +// Replace the file. +replaceFile originalFile fileToReplace backUpOfFileToReplace + +printfn "Done" +// diff --git a/snippets/fsharp/System.IO/File/SetLastAccessTime/file setlastaccess.fs b/snippets/fsharp/System.IO/File/SetLastAccessTime/file setlastaccess.fs new file mode 100644 index 00000000000..bb15d6925b0 --- /dev/null +++ b/snippets/fsharp/System.IO/File/SetLastAccessTime/file setlastaccess.fs @@ -0,0 +1,25 @@ +module setlastaccess +// +open System +open System.IO + +try + let path = @"c:\Temp\MyTest.txt" + + if File.Exists path |> not then + File.Create path |> ignore + + // Update the last access time. + File.SetLastAccessTime(path, DateTime(1985, 5, 4)) + + // Get the creation time of a well-known directory. + let dt = File.GetLastAccessTime path + printfn $"The last access time for this file was {dt}." + + // Update the last access time. + File.SetLastAccessTime(path, DateTime.Now) + let dt = File.GetLastAccessTime path + printfn $"The last access time for this file was {dt}." +with +| e -> printfn $"The process failed: {e}" +// diff --git a/snippets/fsharp/System.IO/File/SetLastAccessTime/fs.fsproj b/snippets/fsharp/System.IO/File/SetLastAccessTime/fs.fsproj new file mode 100644 index 00000000000..6331786e334 --- /dev/null +++ b/snippets/fsharp/System.IO/File/SetLastAccessTime/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/snippets/fsharp/System.IO/File/SetLastWriteTime/file setlastwrite.fs b/snippets/fsharp/System.IO/File/SetLastWriteTime/file setlastwrite.fs new file mode 100644 index 00000000000..f879625d7a6 --- /dev/null +++ b/snippets/fsharp/System.IO/File/SetLastWriteTime/file setlastwrite.fs @@ -0,0 +1,25 @@ +module filesetlastwrite +// +open System +open System.IO + +try + let path = @"c:\Temp\MyTest.txt" + + if File.Exists path |> not then + File.Create path |> ignore + else + // Take an action that will affect the write time. + File.SetLastWriteTime(path, DateTime(1985, 4, 3)) + + // Get the creation time of a well-known directory. + let dt = File.GetLastWriteTime path + printfn $"The last write time for this file was {dt}." + + // Update the last write time. + File.SetLastWriteTime(path, DateTime.Now) + let dt = File.GetLastWriteTime path + printfn $"The last write time for this file was {dt}." +with +| e -> printfn $"The process failed: {e}" +// diff --git a/snippets/fsharp/System.IO/File/SetLastWriteTime/fs.fsproj b/snippets/fsharp/System.IO/File/SetLastWriteTime/fs.fsproj new file mode 100644 index 00000000000..ac02e1ee632 --- /dev/null +++ b/snippets/fsharp/System.IO/File/SetLastWriteTime/fs.fsproj @@ -0,0 +1,10 @@ + + + Exe + net6.0 + + + + + + \ No newline at end of file diff --git a/xml/System.IO/File.xml b/xml/System.IO/File.xml index 7e5a27f5799..1ce0c946a74 100644 --- a/xml/System.IO/File.xml +++ b/xml/System.IO/File.xml @@ -99,6 +99,7 @@ :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Class Example/CPP/file class example.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Overview/file class example.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Overview/file class example.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Class Example/VB/file class example.vb" id="Snippet1"::: ]]> @@ -183,6 +184,7 @@ The following example writes selected lines from a sample data file to a file, and then appends more lines. The directory named `temp` on drive C must exist for the example to complete successfully. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllLines/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllLines/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.io.file.writeallappendall/vb/program.vb" id="Snippet1"::: ]]> @@ -471,6 +473,7 @@ The following code example demonstrates the use of the method to add extra text to the end of a file. In this example, a file is created if it doesn't already exist, and text is added to it. However, the directory named `temp` on drive C must exist for the example to complete successfully. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllText/AllText.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllText/AllText.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllText/vb/AllText.vb" id="Snippet00"::: ]]> @@ -568,6 +571,7 @@ The following code example demonstrates the use of the method to add extra text to the end of a file. In this example, a file is created if it doesn't already exist, and text is added to it. However, the directory named `temp` on drive C must exist for the example to complete successfully. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllText/AllText1.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllText/AllText1.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllText_Encoding/vb/AllText.vb" id="Snippet00"::: ]]> @@ -759,6 +763,7 @@ :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File_AppendText/CPP/file_appendtext.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendText/file_appendtext.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendText/file_appendtext.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File_AppendText/VB/file_appendtext.vb" id="Snippet1"::: ]]> @@ -854,6 +859,7 @@ - It then uses the method overload to copy pictures (.jpg files). The code demonstrates that this overload does allow overwriting files that were already copied. :::code language="csharp" source="~/snippets/csharp/System.IO/File/Copy/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Copy/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/filecopydelete/vb/program.vb" id="Snippet1"::: ]]> @@ -956,6 +962,7 @@ It then uses the method overload to copy pictures (.jpg files). The code demonstrates that this overload does allow overwriting files that were already copied. :::code language="csharp" source="~/snippets/csharp/System.IO/File/Copy/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Copy/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/filecopydelete/vb/program.vb" id="Snippet1"::: ]]> @@ -1081,6 +1088,7 @@ :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Create1/CPP/file create1.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Create/file create1.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Create/file create1.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Create1/VB/file create1.vb" id="Snippet1"::: ]]> @@ -1182,6 +1190,7 @@ :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Create2/CPP/file create2.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Create/file create2.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Create/file create2.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Create2/VB/file create2.vb" id="Snippet1"::: ]]> @@ -1491,6 +1500,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File CreateText/CPP/file createtext.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/CreateText/file createtext.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/CreateText/file createtext.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File CreateText/VB/file createtext.vb" id="Snippet1"::: ]]> @@ -1590,6 +1600,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/IO.File.Encrypt-Decrypt/cpp/sample.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Decrypt/sample.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Decrypt/sample.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/IO.File.Encrypt-Decrypt/VB/sample.vb" id="Snippet1"::: ]]> @@ -1687,6 +1698,7 @@ An I/O error occurred. The following example copies groups of files to the C:\archives\2008 backup folder and then deletes them from the source folder. :::code language="csharp" source="~/snippets/csharp/System.IO/File/Copy/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Copy/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/filecopydelete/vb/program.vb" id="Snippet1"::: ]]> @@ -1795,6 +1807,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/IO.File.Encrypt-Decrypt/cpp/sample.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Decrypt/sample.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Decrypt/sample.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/IO.File.Encrypt-Decrypt/VB/sample.vb" id="Snippet1"::: ]]> @@ -1908,6 +1921,7 @@ An I/O error occurred. The following example determines if a file exists. :::code language="csharp" source="~/snippets/csharp/System.IO/File/Exists/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Exists/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Exists/VB/program.vb" id="Snippet1"::: ]]> @@ -1986,6 +2000,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/IO.File.GetAccessControl-SetAccessControl/cpp/sample.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/GetAccessControl/sample.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/GetAccessControl/sample.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/IO.File.GetAccessControl-SetAccessControl/VB/sample.vb" id="Snippet1"::: ]]> @@ -2173,6 +2188,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File GetAttributes/CPP/file getattributes.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/GetAttributes/file getattributes.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/GetAttributes/file getattributes.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File GetAttributes/VB/file getattributes.vb" id="Snippet1"::: ]]> @@ -2542,6 +2558,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File GetLastAccess/CPP/file getlastaccess.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/GetLastAccessTime/file getlastaccess.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/GetLastAccessTime/file getlastaccess.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File GetLastAccess/VB/file getlastaccess.vb" id="Snippet1"::: ]]> @@ -2779,6 +2796,7 @@ An I/O error occurred. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File GetLastWrite/CPP/file getlastwrite.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/GetLastWriteTime/file getlastwrite.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/GetLastWriteTime/file getlastwrite.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File GetLastWrite/VB/file getlastwrite.vb" id="Snippet1"::: ]]> @@ -3074,6 +3092,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Move/CPP/file move.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Move/file move.cs" id="Snippet1"::: +:::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Move/file move.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Move/VB/file move.vb" id="Snippet1"::: ]]> @@ -3162,6 +3181,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Move/CPP/file move.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Move/file move.cs" id="Snippet1"::: +:::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Move/file move.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Move/VB/file move.vb" id="Snippet1"::: ]]> @@ -3266,6 +3286,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Open1/CPP/file open1.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Open/file open1.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Open/file open1.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Open1/VB/file open1.vb" id="Snippet1"::: ]]> @@ -3417,6 +3438,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Open2/CPP/file open2.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Open/file open2.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Open/file open2.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Open2/VB/file open2.vb" id="Snippet1"::: ]]> @@ -3527,6 +3549,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File Open3/CPP/file open3.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Open/file open3.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Open/file open3.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File Open3/VB/file open3.vb" id="Snippet1"::: ]]> @@ -3697,6 +3720,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File OpenRead/CPP/file openread.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/OpenRead/file openread.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/OpenRead/file openread.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File OpenRead/VB/file openread.vb" id="Snippet1"::: ]]> @@ -3790,6 +3814,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File OpenText/CPP/file opentext.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/OpenText/file opentext.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/OpenText/file opentext.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File OpenText/VB/file opentext.vb" id="Snippet1"::: ]]> @@ -3881,6 +3906,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File OpenWrite/CPP/file openwrite.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/OpenWrite/file openwrite.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/OpenWrite/file openwrite.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File OpenWrite/VB/file openwrite.vb" id="Snippet1"::: ]]> @@ -4102,6 +4128,7 @@ The following example moves a file. The following code example demonstrates the use of the method to display the contents of a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/ReadAllLines/AllText.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/ReadAllLines/AllText.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllLines/vb/AllText.vb" id="Snippet00"::: ]]> @@ -4202,6 +4229,7 @@ The following example moves a file. The following code example demonstrates the use of the method to display the contents of a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/ReadAllLines/AllText_Encoding.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/ReadAllLines/AllText_Encoding.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllLines_Encoding/vb/AllText_Encoding.vb" id="Snippet00"::: ]]> @@ -4400,6 +4428,7 @@ The following example moves a file. The following code example demonstrates the use of the method to display the contents of a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllText/AllText.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllText/AllText.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllText/vb/AllText.vb" id="Snippet00"::: ]]> @@ -4504,6 +4533,7 @@ The following example moves a file. The following code example demonstrates the use of the method to display the contents of a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllText/AllText1.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllText/AllText1.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllText_Encoding/vb/AllText.vb" id="Snippet00"::: ]]> @@ -4705,11 +4735,13 @@ The following example moves a file. The following example reads the lines of a file to find lines that contain specified strings. :::code language="csharp" source="~/snippets/csharp/System.IO/File/ReadLines/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/ReadLines/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.io.file.readlines/vb/program.vb" id="Snippet1"::: The following example uses the method in a LINQ query that enumerates all directories for files that have a .txt extension, reads each line of the file, and displays the line if it contains the string "Microsoft". :::code language="csharp" source="~/snippets/csharp/System.IO/Directory/EnumerateFiles/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/Directory/EnumerateFiles/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.io.directory.enumeratefiles/vb/program.vb" id="Snippet1"::: ]]> @@ -4984,6 +5016,7 @@ The following example moves a file. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/IO.File.Replace/cpp/sample.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Replace/sample.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Replace/sample.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/IO.File.Replace/VB/sample.vb" id="Snippet1"::: ]]> @@ -5099,6 +5132,7 @@ The caller does not have the required permission. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/IO.File.Replace/cpp/sample.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/Replace/sample.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/Replace/sample.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/IO.File.Replace/VB/sample.vb" id="Snippet1"::: ]]> @@ -5269,6 +5303,7 @@ There are too many levels of symbolic links. :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/IO.File.GetAccessControl-SetAccessControl/cpp/sample.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/GetAccessControl/sample.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/GetAccessControl/sample.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/IO.File.GetAccessControl-SetAccessControl/VB/sample.vb" id="Snippet1"::: ]]> @@ -5408,6 +5443,7 @@ It is not possible to change the compression status of a o :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File GetAttributes/CPP/file getattributes.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/GetAttributes/file getattributes.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/GetAttributes/file getattributes.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File GetAttributes/VB/file getattributes.vb" id="Snippet1"::: ]]> @@ -5772,6 +5808,7 @@ It is not possible to change the compression status of a o :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File SetLastAccess/CPP/file setlastaccess.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/SetLastAccessTime/file setlastaccess.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/SetLastAccessTime/file setlastaccess.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File SetLastAccess/VB/file setlastaccess.vb" id="Snippet1"::: ]]> @@ -6009,6 +6046,7 @@ It is not possible to change the compression status of a o :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/File SetLastWrite/CPP/file setlastwrite.cpp" id="Snippet1"::: :::code language="csharp" source="~/snippets/csharp/System.IO/File/SetLastWriteTime/file setlastwrite.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/SetLastWriteTime/file setlastwrite.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR/File SetLastWrite/VB/file setlastwrite.vb" id="Snippet1"::: ]]> @@ -6442,6 +6480,7 @@ It is not possible to change the compression status of a o The following example writes selected lines from a sample data file to a file. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllLines/program.cs" id="Snippet1"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllLines/program.fs" id="Snippet1"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.io.file.writeallappendall/vb/program.vb" id="Snippet1"::: ]]> @@ -6541,6 +6580,7 @@ It is not possible to change the compression status of a o The following code example demonstrates the use of the method to write text to a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/ReadAllLines/AllText.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/ReadAllLines/AllText.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllLines/vb/AllText.vb" id="Snippet00"::: ]]> @@ -6734,6 +6774,7 @@ It is not possible to change the compression status of a o The following code example demonstrates the use of the method to write text to a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/ReadAllLines/AllText_Encoding.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/ReadAllLines/AllText_Encoding.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllLines_Encoding/vb/AllText_Encoding.vb" id="Snippet00"::: ]]> @@ -6932,6 +6973,7 @@ It is not possible to change the compression status of a o The following code example demonstrates the use of the method to write text to a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllText/AllText.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllText/AllText.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllText/vb/AllText.vb" id="Snippet00"::: ]]> @@ -7031,6 +7073,7 @@ It is not possible to change the compression status of a o The following code example demonstrates the use of the method to write text to a file. In this example a file is created, if it doesn't already exist, and text is added to it. :::code language="csharp" source="~/snippets/csharp/System.IO/File/AppendAllText/AllText1.cs" id="Snippet00"::: + :::code language="fsharp" source="~/snippets/fsharp/System.IO/File/AppendAllText/AllText1.fs" id="Snippet00"::: :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.IO.File.AllText_Encoding/vb/AllText.vb" id="Snippet00"::: ]]>