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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
package main
import (
"fmt"
"io"
"os"
"path/filepath"
"github.com/docopt/docopt-go"
"github.com/hooklift/iso9660"
)
// Version holds the CLI version and is set in compilation time.
var Version string
func main() {
usage := `ISO9660 extractor.
Usage:
iso9660 <image-path> <destination-path>
iso9660 -h | --help
iso9660 --version
`
args, err := docopt.Parse(usage, nil, true, Version, false)
if err != nil {
panic(err)
}
file, err := os.Open(args["<image-path>"].(string))
if err != nil {
panic(err)
}
r, err := iso9660.NewReader(file)
if err != nil {
panic(err)
}
destPath := args["<destination-path>"].(string)
if destPath == "" {
destPath = "."
}
for {
f, err := r.Next()
if err == io.EOF {
break
}
if err != nil {
panic(err)
}
fp := filepath.Join(destPath, f.Name())
if f.IsDir() {
if err := os.MkdirAll(fp, f.Mode()); err != nil {
panic(err)
}
continue
}
parentDir, _ := filepath.Split(fp)
if err := os.MkdirAll(parentDir, f.Mode()); err != nil {
panic(err)
}
fmt.Printf("Extracting %s...\n", fp)
freader := f.Sys().(io.Reader)
ff, err := os.OpenFile(fp, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, f.Mode())
if err != nil {
panic(err)
}
defer func() {
if err := ff.Close(); err != nil {
panic(err)
}
}()
if _, err := io.Copy(ff, freader); err != nil {
panic(err)
}
}
}
|