PathLib.Sharp

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Overview

PathLib.Sharp is a C# library that mimics the functionality and API design of Python's pathlib module. It provides an object-oriented approach to filesystem path operations, making path handling more intuitive and safer than traditional string manipulation.

Features

1. Path Construction and Representation

• Multiple path construction options
• Automatic handling of platform-specific path separators
• Path join operator (/)
• Implicit string conversion

2. Path Properties

• Parts - Array of path components
• Name - File name (including extension)
• Stem - File name without extension
• Suffix - File extension
• Suffixes - All extensions (supports compound extensions like .tar.gz)
• Parent - Parent directory
• Parents - All ancestor directories
• Drive - Drive letter (Windows)
• Root - Root path
• Anchor - Drive + root path

3. Path Manipulation Methods

• JoinPath() - Concatenate path segments
• WithName() - Return path with a different file name
• WithStem() - Return path with a different stem
• WithSuffix() - Return path with a different extension
• Absolute() - Get the absolute path
• Resolve() - Resolve the path (handles symlinks)
• IsAbsolute - Whether the path is absolute

4. Filesystem Queries

• Exists - Whether the path exists
• IsFile - Whether the path is a file
• IsDirectory - Whether the path is a directory
• IsSymlink - Whether the path is a symbolic link
• Stat() - Get filesystem metadata

5. File Operations

• Open() - Open a file stream
• ReadText() / WriteText() - Read/write text files
• ReadBytes() / WriteBytes() - Read/write binary files
• Touch() - Create an empty file or update its modification time

6. Directory Operations

• IterateDirectory() - Iterate over directory contents
• Glob() - Pattern-based file search
• RecursiveGlob() - Recursive pattern matching
• MakeDirectory() - Create a directory
• RemoveDirectory() - Remove an empty directory

7. Filesystem Operations

• Rename() - Rename / move a path
• Replace() - Replace a path (force overwrite)
• Unlink() - Delete a file
• SymlinkTo() - Create a symbolic link

8. Static Members

• SharpPath.CurrentDirectory - Current working directory
• SharpPath.Home - User home directory

Usage Examples

Basic Path Operations

using PathLib;

// Create a path
var path = new SharpPath("documents", "projects", "myfile.txt");
Console.WriteLine(path); // documents\projects\myfile.txt (Windows)

// Path properties
Console.WriteLine($"Name:      {path.Name}");    // myfile.txt
Console.WriteLine($"Stem:      {path.Stem}");    // myfile
Console.WriteLine($"Suffix:    {path.Suffix}");  // .txt
Console.WriteLine($"Parent:    {path.Parent}");  // documents\projects

Joining Paths

var basePath = new SharpPath("C:", "Users");
var fullPath = basePath / "username" / "Documents" / "file.txt";
// C:\Users\username\Documents\file.txt

Modifying Paths

var originalPath = new SharpPath("document.pdf");
var withNewName = originalPath.WithName("report.pdf");   // report.pdf
var withNewStem = originalPath.WithStem("backup");       // backup.pdf
var withNewExt  = originalPath.WithSuffix(".txt");       // document.txt

File Operations

var textFile = new SharpPath("example.txt");

// Write to file
textFile.WriteText("Hello, PathLib.Sharp!");

// Read from file
string content = textFile.ReadText();

// Inspect the file
if (textFile.Exists && textFile.IsFile)
{
    Console.WriteLine($"File size: {textFile.Stat()?.Length} bytes");
}

Directory Operations

var directory = new SharpPath("my_folder");

// Create directory
directory.MakeDirectory();

// Iterate directory
foreach (var item in directory.IterateDirectory())
{
    if (item.IsFile)
        Console.WriteLine($"File:      {item.Name}");
    else if (item.IsDirectory)
        Console.WriteLine($"Directory: {item.Name}");
}

// Pattern matching
var txtFiles = directory.Glob("*.txt");

Advanced Features

// Recursively search for all C# files
var projectDir = new SharpPath("my_project");
var csFiles = projectDir.Glob("**/*.cs");

// Create a symbolic link
var target = new SharpPath("original_file.txt");
var link   = new SharpPath("link_to_file.txt");
link.SymlinkTo(target);

// Safe file deletion
var tempFile = new SharpPath("temp.log");
tempFile.Unlink(missingOk: true); // Does not throw if file is missing

Platform Compatibility

• ✅ Windows (.NET 8.0+)
• ✅ Linux (.NET 8.0+)
• ✅ macOS (.NET 8.0+)

Comparison with Python's pathlib

Python pathlib	PathLib.Sharp	Description
Path('a', 'b')	new SharpPath("a", "b")	Path construction
path / 'subdir'	path / "subdir"	Path joining
path.name	path.Name	File name
path.stem	path.Stem	File stem
path.suffix	path.Suffix	Extension
path.parent	path.Parent	Parent directory
path.exists()	path.Exists	Existence check
path.is_file()	path.IsFile	File check
path.read_text()	path.ReadText()	Read text
path.glob('*.txt')	path.Glob("*.txt")	Pattern matching

Installation

Install via NuGet:

dotnet add package CodeWine.PathLib.Sharp

Or build from source:

# Clone the repository
git clone https://github.com/BYJRK/PathLib.Sharp
cd PathLib.Sharp

# Build
dotnet build

# Run tests
dotnet test

# Pack NuGet package
dotnet pack

Test Coverage

The project contains 66 test cases covering:

• ✅ Constructor tests (4 tests)
• ✅ Property access tests (11 tests)
• ✅ Operator overload tests (4 tests)
• ✅ Path manipulation tests (6 tests)
• ✅ Filesystem query tests (4 tests)
• ✅ File operation tests (6 tests)
• ✅ Directory operation tests (6 tests)
• ✅ Filesystem operation tests (5 tests)
• ✅ Static method tests (2 tests)
• ✅ Equality and comparison tests (5 tests)
• ✅ Wildcard matching tests (5 tests)
• ✅ Edge cases and error handling tests (8 tests)

License

MIT License

Contributing

Contributions are welcome! Feel free to open a Pull Request or create an Issue to report bugs or suggest new features.

Notes

• Path operations follow the conventions of the current operating system
• Path comparisons are case-insensitive on Windows and case-sensitive on Unix/Linux
• Symbolic link operations require appropriate system permissions
• Some operations may fail due to filesystem permissions — handle exceptions accordingly