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package util
import (
"errors"
"os"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
)
func TestFolderWritable(folder string) (err error) {
fileInfo, err := os.Stat(folder)
if err != nil {
return err
}
if !fileInfo.IsDir() {
return errors.New("Not a valid folder!")
}
perm := fileInfo.Mode().Perm()
glog.V(0).Infoln("Folder", folder, "Permission:", perm)
if 0200&perm != 0 {
return nil
}
return errors.New("Not writable!")
}
func GetFileSize(file *os.File) (size int64, err error) {
var fi os.FileInfo
if fi, err = file.Stat(); err == nil {
size = fi.Size()
}
return
}
func FileExists(filename string) bool {
_, err := os.Stat(filename)
if os.IsNotExist(err) {
return false
}
return true
}
func CheckFile(filename string) (exists, canRead, canWrite bool, modTime time.Time, fileSize int64) {
exists = true
fi, err := os.Stat(filename)
if os.IsNotExist(err) {
exists = false
return
}
if fi.Mode()&0400 != 0 {
canRead = true
}
if fi.Mode()&0200 != 0 {
canWrite = true
}
modTime = fi.ModTime()
fileSize = fi.Size()
return
}
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