/
tree-cat.go
87 lines (64 loc) · 1.74 KB
/
tree-cat.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
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
85
86
package main
// go run tree-cat.go <folder>
import (
"fmt"
"flag"
"os"
"io"
)
func checkerror(err error) {
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func cat_file( filename string) {
//fmt.Printf("======(File %s Begin)======\n", filename)
fmt.Printf("{\n")
// Print file content
fh, err := os.Open(filename)
checkerror(err)
_, err = io.Copy(os.Stdout, fh)
checkerror(err)
//fmt.Printf("======(File %s End)======\n", filename)
fmt.Printf("}\n")
}
func tree_cat_recursive( files []os.FileInfo, dir *os.File ) {
for _, fileInfo := range files {
if fileInfo.IsDir() {
sourcedir := dir.Name() + "/" + fileInfo.Name()
fmt.Println(sourcedir)
new_dir, err := os.Open(sourcedir)
checkerror(err)
defer new_dir.Close()
// Grab the files (list)
new_files, err := new_dir.Readdir(0)
checkerror(err)
//() Recursive
tree_cat_recursive( new_files, new_dir )
} else {
filename := dir.Name() + "/" + fileInfo.Name()
//fmt.Println( filename , "\t", fileInfo.Size(), "\t", fileInfo.Mode(), fileInfo.ModTime() )
fmt.Println( filename )
//() cat the filecontent
cat_file( filename )
}
}
}
func main() {
// Get the arguments from command line
flag.Parse()
sourcedir := flag.Arg(0)
if sourcedir == "" {
sourcedir = "."
}
// Directory to tree
dir, err := os.Open(sourcedir)
checkerror(err)
defer dir.Close()
// Grab list of files in dir
files, err := dir.Readdir(0)
checkerror(err)
//()
tree_cat_recursive( files, dir )
}