os.Open("test.txt", os.O_APPEND | os.O_CREATE, 777) recreate file every time.. #1655
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Apply this patch to add a test case.
diff -r 82050f8e7881 src/pkg/os/os_test.go
--- a/src/pkg/os/os_test.go Fri Apr 01 20:52:38 2011 -0400
+++ b/src/pkg/os/os_test.go Fri Apr 01 22:14:19 2011 -0400
@@ -873,6 +873,10 @@
if s != "new|append" {
t.Fatalf("writeFile: have %q want %q", s, "new|append")
}
+ s = writeFile(t, f, O_CREAT|O_APPEND|O_RDWR, "|append")
+ if s != "new|append|append" {
+ t.Fatalf("writeFile: have %q want %q", s, "new|append|append")
+ }
}
func TestStatDirWithTrailingSlash(t *testing.T) {
On Windows, the test fails.
--- FAIL: os_test.TestAppend (0.00 seconds)
writeFile: have "|append" want "new|append|append"
|
Thank you for the report. Alex Labels changed: added os-windows, packagebug. Owner changed to @alexbrainman. Status changed to Accepted. |
I've attached a revised version of your patch to include Russ's test case. Attachments:
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This issue was closed by revision 59c18b0. Status changed to Fixed. |
This issue was closed.
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by tg8866:
1 package main 2 3 import ( 4 "fmt" 5 "os" 6 ) 7 8 func main() { 9 file, err := os.Open("test.txt", os.O_APPEND | os.O_CREATE, 777) 10 defer file.Close() 11 if err != nil { panic(err) } 12 n, err := file.Write([]byte("hello world\n")) 13 if err != nil { panic(err) } 14 fmt.Print(n) 15 } each time I run the exe, I don't not append string to the end ,but just recreate a file.. os: windows arch 386 go: 2011-3-7.1The text was updated successfully, but these errors were encountered: