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Rev | Author | Line No. | Line |
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6 | ls | 1 | /* ============================================================================ |
2 | # Create |
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43 | - | 3 | # name : Andre Rikkert de Koe date: Apr 2011 |
6 | ls | 4 | # descr : filefind |
5 | # This is a demo of programming in the java language. |
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6 | # Its part of a project to implement a program to create a directory |
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7 | # tree similar to the output of the Unix find program. |
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8 | # EUID : Any user who has read access to all the files being searched for. |
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9 | # run : interactive |
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10 | # |
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11 | # Changes |
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12 | # name : date: |
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13 | # descr : short description |
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14 | # |
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15 | # ========================================================================== */ |
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16 | |||
17 | import java.io.*; |
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18 | import java.util.*; |
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19 | |||
10 | ls | 20 | public class filefind |
6 | ls | 21 | { |
22 | protected File base; |
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23 | protected PrintStream out; |
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24 | |||
25 | static void Usage(String progname, String mesg) |
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26 | { |
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27 | System.out.println("Usage: " + progname + " directory"); |
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28 | System.out.println(mesg); |
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29 | } |
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30 | |||
31 | static boolean issymlink(File file1) |
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32 | { |
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33 | boolean result; |
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34 | try |
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35 | { |
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36 | result = !file1.getAbsolutePath().equals(file1.getCanonicalPath()); |
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37 | } |
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38 | catch (IOException ie) |
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39 | { |
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40 | System.err.println("Caught IOException: " + ie.getMessage()); |
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41 | result = false; |
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42 | } |
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43 | return result; |
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44 | } |
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10 | ls | 45 | |
6 | ls | 46 | public filefind(String filename) |
47 | { |
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48 | base = new File(filename); |
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49 | } |
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50 | |||
11 | ls | 51 | static void start_traverse(File base) |
6 | ls | 52 | { |
11 | ls | 53 | try |
54 | { |
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55 | System.out.println(base.getCanonicalPath()); |
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56 | } |
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57 | catch (IOException ie) |
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58 | { |
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59 | System.err.println("Caught IOException: " + ie.getMessage()); |
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60 | } |
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6 | ls | 61 | traverse(base); |
62 | } |
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63 | |||
64 | static void traverse(File b) |
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65 | { |
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66 | File [] subs = b.listFiles(); |
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67 | for(int i = 0; i < subs.length; i++) |
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68 | { |
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69 | if (subs[i].isDirectory() && !issymlink(subs[i])) |
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70 | { |
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71 | System.out.println(subs[i]); |
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72 | traverse(subs[i]); |
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73 | } |
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74 | else |
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75 | { |
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76 | System.out.println(subs[i]); |
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77 | } |
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78 | } |
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79 | } |
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80 | |||
81 | /* ============================================================================ |
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82 | # MAIN |
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83 | # ========================================================================== */ |
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84 | |||
85 | public static void main(String [] args) |
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86 | { |
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87 | String basename; |
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88 | String progname = "filefind"; |
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89 | if (args.length == 1) |
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90 | { |
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91 | basename = args[0]; |
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92 | File base = new File(basename); |
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93 | if (base.isDirectory()) |
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94 | { |
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11 | ls | 95 | start_traverse(base); |
6 | ls | 96 | } |
97 | else |
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98 | { |
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37 | - | 99 | Usage(progname, "ERROR: Not a directory : " + basename); |
6 | ls | 100 | } |
101 | } |
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102 | else |
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103 | Usage(progname, "ERROR: 1 argument expected"); |
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104 | } |
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105 | } |