1 | #!/usr/local/bin/perl5
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2 |
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3 | ###########################################################################
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4 | #
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5 | # clean_archives.pl
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6 | # A component of the Greenstone digital library software
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7 | # from the New Zealand Digital Library Project at the
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8 | # University of Waikato, New Zealand.
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9 | #
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10 | # Copyright (C) 1999 New Zealand Digital Library Project
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11 | #
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12 | # This program is free software; you can redistribute it and/or modify
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13 | # it under the terms of the GNU General Public License as published by
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14 | # the Free Software Foundation; either version 2 of the License, or
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15 | # (at your option) any later version.
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16 | #
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17 | # This program is distributed in the hope that it will be useful,
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18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | # GNU General Public License for more details.
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21 | #
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22 | # You should have received a copy of the GNU General Public License
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23 | # along with this program; if not, write to the Free Software
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24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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25 | #
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26 | ###########################################################################
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27 |
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28 |
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29 | # clean_archives.pl removes any doc.gml, doc.gml.gz, and empty
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30 | # directories from the directory passed on the command line.
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31 |
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32 | BEGIN {
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33 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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34 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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35 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/plugins");
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36 | }
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37 |
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38 | use parsargv;
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39 | use util;
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40 |
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41 | sub print_usage {
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42 | print STDERR "\n usage: $0 [options] archive-dir\n\n";
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43 | print STDERR " oprions:\n";
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44 | print STDERR " -verbose\n\n";
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45 | }
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46 |
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47 |
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48 | &main ();
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49 |
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50 | sub main {
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51 |
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52 | if (!parsargv::parse(\@ARGV,
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53 | 'verbose', \$verbose)) {
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54 | &print_usage();
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55 | die "\n";
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56 | }
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57 |
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58 | if (scalar (@ARGV) != 1) {
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59 | &print_usage();
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60 | die "\n";
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61 | }
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62 |
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63 | my $dir = $ARGV[0];
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64 |
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65 | if (!-d $dir) {
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66 | &print_usage();
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67 | die "\n";
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68 | }
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69 |
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70 | &recurse_dir ($dir);
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71 | }
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72 |
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73 | sub recurse_dir {
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74 | my ($dir) = @_;
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75 |
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76 | opendir (DIR, $dir) || die;
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77 | my @files = readdir DIR;
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78 | closedir DIR;
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79 |
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80 | foreach $file (@files) {
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81 | next if $file =~ /^\.+$/;
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82 | my $filename = &util::filename_cat($dir, $file);
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83 |
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84 | if (-d $filename) {
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85 | &recurse_dir ($filename);
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86 | } elsif ($file =~ /^doc\.gml(\.gz)?$/) {
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87 |
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88 | unlink ($filename);
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89 | print STDERR "removing $filename\n" if $verbose;
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90 | }
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91 | }
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92 |
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93 | # remove the directory if it's now empty
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94 | opendir (DIR, $dir) || die;
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95 | @files = readdir DIR;
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96 | closedir DIR;
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97 |
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98 | if (scalar(@files) == 0) {
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99 | rmdir ($dir);
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100 | print STDERR "removing empty directory $dir\n" if $verbosity;
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101 | } elsif (scalar(@files) == 2) {
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102 | my $empty = 1;
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103 | map { if ($_ !~ /^\.+$/) {$empty = 0;} } @files;
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104 | if ($empty) {
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105 | rmdir ($dir);
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106 | print STDERR "removing empty directory $dir\n" if $verbosity;
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107 | }
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108 | }
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109 | }
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