Rev 43 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 28 | - | 1 | //usr/bin/env go run $0 $@; exit $? |
| 43 | - | 2 | |
| 3 | // ============================================================================ |
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| 4 | // Create |
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| 5 | // name : Andre Rikkert de Koe date: Mar 2018 |
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| 6 | // descr : filefind |
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| 44 | - | 7 | // This is a demo of programming in the Go language. |
| 43 | - | 8 | // Its part of a project to implement a program to create a directory |
| 9 | // tree similar to the output of the Unix find program. |
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| 10 | // EUID : Any user who has read access to all the files being searched for. |
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| 11 | // run : interactive |
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| 12 | // |
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| 13 | // Changes |
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| 14 | // name : date: |
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| 15 | // descr : short description |
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| 16 | // |
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| 17 | // ============================================================================ |
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| 18 | |||
| 27 | - | 19 | package main |
| 20 | |||
| 21 | import ( |
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| 22 | "fmt" |
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| 23 | "io/ioutil" |
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| 24 | "log" |
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| 25 | "os" |
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| 26 | ) |
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| 27 | |||
| 28 | - | 28 | // ============================================================================= |
| 29 | // Functions |
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| 30 | // ============================================================================= |
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| 31 | |||
| 37 | - | 32 | func Usage(progname, mesg string) { |
| 38 | - | 33 | log.Print("Usage: " + progname + " directory") |
| 34 | log.Fatal(mesg) |
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| 37 | - | 35 | } |
| 36 | |||
| 27 | - | 37 | func traverse(s string) { |
| 38 | curdir, err := os.Getwd() |
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| 39 | if err := os.Chdir(s); err != nil { |
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| 40 | log.Fatal(err) |
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| 41 | } |
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| 42 | if err != nil { |
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| 43 | log.Fatal(err) |
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| 44 | } |
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| 45 | curdir2, err := os.Getwd() |
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| 46 | files, err := ioutil.ReadDir(curdir2) |
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| 47 | if err != nil { |
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| 48 | log.Fatal(err) |
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| 49 | } |
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| 50 | for _, f := range files { |
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| 51 | fmt.Println (curdir2 + "/" + f.Name()) |
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| 52 | //fmt.Println(f.Name()) |
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| 53 | fi, err := os.Stat(f.Name()) |
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| 54 | if err != nil { |
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| 55 | log.Fatal(err) |
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| 56 | } |
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| 57 | mode := fi.Mode(); |
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| 58 | if mode.IsDir() { |
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| 59 | traverse(fi.Name()) |
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| 60 | } |
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| 61 | } |
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| 62 | os.Chdir(curdir) |
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| 63 | } |
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| 64 | |||
| 65 | func start_traverse(s string) { |
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| 66 | fmt.Println(s) |
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| 67 | traverse(s) |
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| 68 | } |
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| 69 | |||
| 28 | - | 70 | // ============================================================================= |
| 71 | // MAIN |
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| 72 | // ============================================================================= |
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| 73 | |||
| 27 | - | 74 | func main() { |
| 37 | - | 75 | progname := os.Args[0] |
| 38 | - | 76 | if len(os.Args) == 2 { |
| 77 | directory := os.Args[1] |
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| 78 | fi, err := os.Stat(directory) |
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| 79 | if err != nil { |
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| 80 | _ = err // ugly hack to allow not using the err variable |
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| 81 | Usage(progname, "ERROR: Not a directory : " + directory) |
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| 82 | } |
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| 83 | if fi.IsDir() { |
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| 84 | start_traverse(directory) |
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| 85 | } else { |
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| 86 | Usage(progname, "ERROR: Not a directory : " + directory) |
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| 87 | } |
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| 88 | } else { |
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| 37 | - | 89 | Usage(progname, "ERROR: 1 argument expected") |
| 28 | - | 90 | } |
| 27 | - | 91 | } |