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
55
|
package zip
import (
"archive/zip"
"io"
"os"
)
// Files compresses one or many files into a single zip archive file.
// Credits: https://golangcode.com/create-zip-files-in-go/
func Files(filename string, files []string) error {
arc, err := os.Create(filename)
if err != nil {
return err
}
defer arc.Close()
writer := zip.NewWriter(arc)
defer writer.Close()
for _, file := range files {
in, err := os.Open(file)
if err != nil {
return err
}
defer in.Close()
info, err := in.Stat()
if err != nil {
return err
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
// Using FileInfoHeader() above only uses the basename of the file. If we want
// to preserve the folder structure we can overwrite this with the full path.
header.Name = file
// Change to deflate to gain better compression
// see http://golang.org/pkg/archive/zip/#pkg-constants
header.Method = zip.Deflate
w, err := writer.CreateHeader(header)
if err != nil {
return err
}
if _, err = io.Copy(w, in); err != nil {
return err
}
}
return nil
}
|
