1 | #!/usr/bin/perl |
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2 | |
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3 | use strict; |
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4 | use warnings; |
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5 | use diagnostics; |
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6 | |
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7 | # -------------------------------------------------------------------------------- |
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8 | |
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9 | # skip files with the following extensions: |
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10 | my @boring_extensions = ( |
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11 | 'o', 'a', 'so', |
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12 | 'gz', 'tgz', |
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13 | 'class', 'jar', |
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14 | 'elc', |
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15 | 'lnk', |
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16 | ); |
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17 | |
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18 | # skip files with the following names: |
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19 | my @boring_files = ( |
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20 | '.cvsignore', |
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21 | 'TAGS', |
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22 | ); |
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23 | |
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24 | # skip directories with the following full names: |
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25 | my @boring_dirs = ( |
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26 | 'bin', |
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27 | ); |
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28 | |
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29 | # skip sub-directories with the following names: |
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30 | my @boring_subdirs = ( |
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31 | 'CVS', |
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32 | '.svn', |
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33 | ); |
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34 | |
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35 | my @boring_namematches = ( |
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36 | qr/^\#.*\#$/, # emacs autosaves |
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37 | qr/^\.\#.*\.[0-9]+\.[0-9]+$/, # old cvs revisions |
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38 | ); |
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39 | my @boring_fullmatches = ( |
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40 | ); |
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41 | |
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42 | my $max_print = 1000; # max lines to print |
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43 | |
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44 | # -------------------------------------------------------------------------------- |
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45 | |
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46 | my $ARBHOME = $ENV{'ARBHOME'}; |
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47 | if (defined $ARBHOME) { |
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48 | push @boring_extensions, 'genmenu'; |
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49 | push @boring_extensions, 'stamp'; |
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50 | push @boring_extensions, 'depends'; |
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51 | push @boring_extensions, 'last_gcc'; |
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52 | push @boring_extensions, 'last_compiler'; |
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53 | |
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54 | push @boring_fullmatches, qr/$ARBHOME\/lib\/ARB\.pm$/; |
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55 | push @boring_fullmatches, qr/$ARBHOME\/PERL2ARB\/.*ARB\.(bs|xs|c|3pm)$/; |
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56 | push @boring_fullmatches, qr/$ARBHOME\/PERL2ARB\/(debug|proto)\.h$/; |
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57 | push @boring_fullmatches, qr/$ARBHOME\/PERL2ARB\/Makefile$/; |
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58 | push @boring_fullmatches, qr/$ARBHOME\/TEMPLATES\/arb_build\.h$/; |
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59 | push @boring_fullmatches, qr/$ARBHOME\/HELP_SOURCE\/(date\.xsl|html\.list|_index\.html)$/; |
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60 | push @boring_fullmatches, qr/$ARBHOME\/AISC\/aisc$/; |
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61 | push @boring_fullmatches, qr/$ARBHOME\/AISC_MKPTPS\/aisc_mkpt$/; |
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62 | push @boring_fullmatches, qr/$ARBHOME\/.*\/GEN[CH]\//; |
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63 | push @boring_fullmatches, qr/$ARBHOME\/GDEHELP\/helpfiles\.lst$/; |
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64 | |
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65 | push @boring_dirs, $ARBHOME.'/PROBE_SERVER/bin'; |
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66 | push @boring_dirs, $ARBHOME.'/PROBE_SET/bin'; |
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67 | push @boring_dirs, $ARBHOME.'/ARB_SOURCE_DOC'; |
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68 | push @boring_dirs, $ARBHOME.'/HELP_SOURCE/Xml'; |
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69 | push @boring_dirs, $ARBHOME.'/HELP_SOURCE/genhelp'; |
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70 | push @boring_dirs, $ARBHOME.'/GDEHELP/HELP_GEN'; |
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71 | push @boring_dirs, $ARBHOME.'/GDEHELP/HELP_DOC_GEN'; |
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72 | push @boring_dirs, $ARBHOME.'/lib/help'; |
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73 | push @boring_dirs, $ARBHOME.'/lib/help_html'; |
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74 | push @boring_dirs, $ARBHOME.'/bin'; |
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75 | } |
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76 | |
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77 | # -------------------------------------------------------------------------------- |
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78 | |
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79 | my @files = (); |
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80 | |
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81 | my %boring_extensions = map { $_ => 1; } @boring_extensions; |
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82 | my %boring_files = map { $_ => 1; } @boring_files; |
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83 | my %boring_subdirs = map { $_ => 1; } @boring_subdirs; |
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84 | my %boring_dirs = map { $_ => 1; } @boring_dirs; |
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85 | |
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86 | sub scan_tree_recursive($); |
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87 | sub scan_tree_recursive($) { |
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88 | my ($dir) = @_; |
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89 | # print "scan_tree_recursive '$dir'\n"; |
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90 | opendir(DIR,$dir) || die "can't read directory '$dir'"; |
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91 | my @subdirs = (); |
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92 | foreach (readdir(DIR)) { |
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93 | if (not /^[.]+$/o) { # ignore curr- and up-dir |
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94 | my $fullname = $dir.'/'.$_; |
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95 | if (not -l $fullname) { # ignore links |
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96 | if (-d $fullname) { |
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97 | if (not exists $boring_subdirs{$_} and |
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98 | not exists $boring_dirs{$fullname}) |
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99 | { |
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100 | push @subdirs, $fullname; |
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101 | } |
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102 | } |
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103 | else { |
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104 | my $skip = 0; |
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105 | if (exists $boring_files{$_}) { |
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106 | $skip = 1; |
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107 | } |
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108 | elsif (/\.([^\.]+)$/ and exists $boring_extensions{$1}) { |
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109 | $skip = 1; |
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110 | } |
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111 | else { |
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112 | my $name = $_; |
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113 | TEST1: foreach (@boring_namematches) { |
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114 | if ($name =~ $_) { $skip = 1; last TEST1; } |
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115 | } |
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116 | if ($skip==0) { |
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117 | TEST2: foreach (@boring_fullmatches) { |
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118 | if ($fullname =~ $_) { $skip = 1; last TEST2; } |
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119 | } |
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120 | } |
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121 | } |
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122 | |
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123 | if ($skip==0) { push @files, $fullname; } |
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124 | } |
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125 | } |
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126 | } |
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127 | } |
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128 | closedir(DIR); |
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129 | foreach (@subdirs) { |
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130 | scan_tree_recursive($_); |
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131 | } |
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132 | } |
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133 | |
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134 | my $equality = '================'; |
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135 | my $reg_parse_part = qr/^([ :]*)([^ :]+)/; |
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136 | |
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137 | sub diff2last_rec($$); |
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138 | sub diff2last_rec($$) { |
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139 | my ($this,$last) = @_; |
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140 | |
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141 | if (not $this =~ $reg_parse_part) { |
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142 | if ($this =~ /^[ ]*$/) { return $this; } |
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143 | die "can't parse '$this'"; |
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144 | } |
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145 | my ($this_space, $this_part, $this_rest) = ($1,$2,$'); |
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146 | if (not $last =~ $reg_parse_part) { die "can't parse '$this'"; } |
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147 | my ($last_space, $last_part, $last_rest) = ($1,$2,$'); |
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148 | |
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149 | my $part; |
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150 | if ($this_part eq $last_part) { |
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151 | $part = substr($equality, 1, length($this_part)); |
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152 | } |
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153 | else { |
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154 | # print "'$this_part' ne '$last_part'\n"; |
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155 | $part = $this_part; |
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156 | } |
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157 | |
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158 | return $this_space.$part.diff2last_rec($this_rest, $last_rest); |
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159 | } |
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160 | |
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161 | my $lastMod = undef; |
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162 | sub diff2last($) { |
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163 | my ($mod) = @_; |
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164 | if (defined $lastMod) { |
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165 | my $newmod = diff2last_rec($mod, $lastMod); |
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166 | $lastMod = $mod; |
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167 | $mod = $newmod; |
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168 | } |
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169 | else { |
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170 | $lastMod = $mod; |
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171 | } |
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172 | return $mod; |
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173 | } |
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174 | |
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175 | sub max($$) { |
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176 | my ($a,$b) = @_; |
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177 | return $a if $a>$b; |
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178 | return $b; |
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179 | } |
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180 | |
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181 | sub readable_age($) { |
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182 | my ($modtime) = @_; |
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183 | my $age = time - $modtime; |
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184 | if ($age<60) { return $age.'s'; } |
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185 | $age = int($age/60); if ($age<60) { return $age.'m'; } |
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186 | $age = int($age/60); if ($age<24) { return $age.'h'; } |
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187 | $age = int($age/24); if ($age<14) { return $age.'d'; } |
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188 | my $weeks = int($age/7); if ($weeks<9) { return $weeks.'w'; } |
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189 | my $months = int($age/30); if ($months<12) { return $months.'M'; } |
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190 | my $years = int($age/365); |
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191 | return $years.'Y'; |
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192 | } |
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193 | |
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194 | sub perform_search() { |
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195 | my $root = `pwd`; |
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196 | chomp($root); |
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197 | $root =~ s/[\/\\]+$//g; |
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198 | |
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199 | scan_tree_recursive($root); |
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200 | my %filedate = (); |
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201 | |
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202 | my $del = length($root)+1; |
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203 | @files = map { substr($_,$del); } @files; |
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204 | |
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205 | foreach (@files) { |
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206 | my $modtime = (stat($_))[9]; |
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207 | if (not defined $modtime) { die "Can't stat file '$_'"; } |
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208 | $filedate{$_} = $modtime; |
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209 | # print scalar(localtime($modtime))." $_\n"; |
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210 | } |
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211 | |
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212 | my @sorted = sort { |
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213 | $filedate{$b} <=> $filedate{$a}; |
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214 | } @files; |
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215 | |
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216 | if (scalar(@sorted)<$max_print) { $max_print=scalar(@sorted); } |
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217 | |
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218 | my $maxlen = 0; |
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219 | foreach (my $i=0; $i<$max_print; ++$i) { |
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220 | my $len = length($sorted[$i]); |
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221 | if ($len > $maxlen) { $maxlen = $len; } |
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222 | } |
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223 | |
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224 | my $spacer = " "; |
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225 | while (length($spacer) < $maxlen) { $spacer .= $spacer; } |
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226 | |
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227 | print "find_newest_source: Entering directory `$root'\n"; |
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228 | foreach (my $i=0; $i<$max_print; ++$i) { |
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229 | $_ = $sorted[$i]; |
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230 | my $len = length($_); |
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231 | print "$_:1: ".substr($spacer,0,max($maxlen-$len,0)). |
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232 | "mod: ".diff2last(scalar(localtime($filedate{$_}))). |
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233 | " [ ".sprintf("%3s",readable_age($filedate{$_}))." ]\n"; |
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234 | } |
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235 | print "find_newest_source: Leaving directory `$root'\n"; |
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236 | } |
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237 | |
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238 | perform_search(); |
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