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set DoRotate fname like xx.2013-01-01.2.log

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fix fname,by extension to identify the file type on mac and windows.
This commit is contained in:
Hubery 2015-07-15 17:00:48 +08:00
parent 3becd2e0d8
commit 59b903d557
1 changed files with 7 additions and 2 deletions
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9
logs/file.go
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@ -205,15 +205,20 @@ func (w *FileLogWriter) lines() (int, error) {
}
// DoRotate means it need to write file in new file.
// new file name like xx.log.2013-01-01.2
// new file name like xx.2013-01-01.2.log
func (w *FileLogWriter) DoRotate() error {
_, err := os.Lstat(w.Filename)
if err == nil { // file exists
// Find the next available number
num := 1
fname := ""
suffix := filepath.Ext(w.Filename)
filenameOnly := strings.TrimSuffix(w.Filename, suffix)
if suffix == "" {
suffix = ".log"
}
for ; err == nil && num <= 999; num++ {
fname = w.Filename + fmt.Sprintf(".%s.%03d", time.Now().Format("2006-01-02"), num)
fname = filenameOnly + fmt.Sprintf(".%s.%03d%s", time.Now().Format("2006-01-02"), num, suffix)
_, err = os.Lstat(fname)
}
// return error if the last file checked still existed