/
fileutils.go
54 lines (45 loc) · 1.01 KB
/
fileutils.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
package utils
import (
"fmt"
"io"
"os"
"path"
)
// MoveDir moves all files in srcDir to dstDir
func MoveDir(srcDir, dstDir string) error {
if srcDir == "" || dstDir == "" {
return fmt.Errorf("mv: srcDir %s and dstDir %s not correct", srcDir, dstDir)
}
return ExecCommand("bash", "-c", fmt.Sprintf("mv %s %s", path.Join(srcDir, "*"), dstDir))
}
// IsDirEmpty is to check if a directory is empty
func IsDirEmpty(dir string) (bool, error) {
if _, err := os.Stat(dir); err != nil {
return false, err
}
f, err := os.Open(dir)
if err != nil {
return false, err
}
defer f.Close()
_, err = f.Readdirnames(1)
if err == io.EOF {
return true, nil
}
return false, nil
}
// CopyFile copys src file to dest file
func CopyFile(dst, src string, perm os.FileMode) error {
in, err := os.Open(src)
if err != nil {
return err
}
defer in.Close()
out, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, in)
return err
}