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1 #!/bin/sh
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2
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3 # Copyright (c) 2009, edogawaconan <me@myconan.net>
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4 #
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5 # Permission to use, copy, modify, and/or distribute this software for any
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6 # purpose with or without fee is hereby granted, provided that the above
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7 # copyright notice and this permission notice appear in all copies.
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8 #
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9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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16
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17 # Version 0.1-alpha1. Lots of bugs here. Use with care
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18 # USE WITH CARE
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19
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20 # what it does: fetch every picture that has the specified tags.
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21
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22 # requirement: wget, libxslt, md5sum (or md5)
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23
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24 # configs
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25 # program additional paths for: cut, sed, wc, md5(sum), wget, xsltproc
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26 extrapath=
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27
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28 # md5 calculation, expected output: <32digit md5><space(s)><filename>
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29 # gnu: "md5sum", bsd: "md5 -r"
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30 md5="md5 -r"
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31
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32 # server address. Danbooru only! I do not take responsibility of stupidity.
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33 site="moe.imouto.org"
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34
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35 # base directory. make sure it's writeable. I do not take responsibility if you don't own the folder and files as no check is done for this one.
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36 # Structure is $basedir/<tags>
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37 basedir="/home/ifail/test"
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38
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39 # not user modifiable from here
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40
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41 GENERATE()
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42 {
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43 echo
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44 echo "Fetching xml file"
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45 wget "http://$site/post/index.xml?tags=$tags&offset=0&limit=100000" -O "$outdir-xml" -e continue=off
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46 echo "Processing XML file..."
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47 # xslt evilry
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48 xsltproc - "$outdir-xml" <<EOF | sed 's/.*\(http.*\)\(\/[a-f0-9]\{32\}\).*\.\([jp][pn]g\)/\1\2.\3/g' | grep ^http > "$outdir-list"
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49 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
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50 <xsl:output method="xml" indent="yes"/>
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51 <xsl:template match="post">
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52 <xsl:value-of select="@file_url" />
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53 </xsl:template>
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54 </xsl:stylesheet>
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55 EOF
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56 echo "`echo \`wc -l < \"$outdir-list\" \`` file(s) available on server"
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57 #output file: $outdir-list
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58 }
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59
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60 CHECK()
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61 {
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62 if [ "$ISNEW" -ne 1 ];then
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63 echo "Checking for errors..."
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64 # THE FILES
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65 echo > "$outdir-error"
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66 cd "../$outdir"
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67 for file in `ls`
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68 do
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69 if [ `$md5 "$file" | cut -d ' ' -f1 -` != `echo "$file" | cut -d '.' -f1` ]
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70 then
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71 echo "$file" >> "../temp/$outdir-error"
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72 echo "Error: $file"
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73 fi
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74 printf "."
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75 done
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76 echo
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77 cd ../temp
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78 totalerr=`wc -l < $tags-error`
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79 echo "$totalerr file(s) error"
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80
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81 echo "Generating list of new files..."
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82 # THE FILES
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83 #ls "../$outdir" | grep -vf "$outdir-error" > "$outdir-ok"
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84 #cat "$outdir-list" | grep -vf "$outdir-ok" > "$outdir-newlist"
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85 ls "../$outdir" | comm -1 -2 "$outdir-error" - > "$outdir-ok"
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86 comm -1 -2 "$outdir-list" "$outdir-error" > "$outdir-newlist"
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87 echo "`echo \`wc -l < \"$outdir-newlist\"\`` file(s) to be downloaded"
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88 cd "../$outdir"
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89
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90 echo "Removing error files"
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91 if [ $totalerr -gt 0 ]
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92 then
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93 cat "../temp/$outdir-error" | xargs rm
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94 fi
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95 echo "$totalerr file(s) removed"
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96 echo "`echo \`ls | wc -l\`` file(s) available locally"
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97 cd ..
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98 else
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99 echo "Empty local repository"
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100 cat "$outdir-list" > "$outdir-newlist"
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101 fi
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102 }
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103
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104 FETCH()
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105 {
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106 if [ `wc -l < "$outdir-newlist"` -eq 0 ]
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107 then
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108 echo "No new file"
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109 else
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110 echo "Starting wget"
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111 cd "../$outdir"
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112 wget -bi "../temp/$outdir-newlist" -o "../temp/$outdir.log"
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113 fi
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114 }
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115
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116
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117 # path initialization
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118 export PATH=${PATH}:$extrapath
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119
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120 # verify all programs required do indeed exist
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121 # basic tools
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122 commands="cut sed wc wget xsltproc xargs rm mkdir chown comm"
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123 cmderr=" "
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124 for cmd in $commands
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125 do
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126 command -v "$cmd" >/dev/null || cmderr="$cmderr $cmd"
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127 done
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128 if [ x"$cmderr" != x" " ]; then
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129 echo "$cmderr doesn't exist in $PATH"
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130 exit 1
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131 fi
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132 #md5
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133 md5base=`echo $md5 | cut -d ' ' -f 1 -`
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134 if [ x`command -v "$md5base" >/dev/null || echo x` != "x" ]; then
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135 echo "$md5base doesn't exist in $PATH"
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136 exit 1
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137 fi
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138 if [ `$md5 - <<EOF | cut -d ' ' -f 1 -` != "d8e8fca2dc0f896fd7cb4cb0031ba249" ]; then
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139 test
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140 EOF
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141 echo "$md5 doesn't produce wanted output"
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142 exit 1
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143 fi
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144
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145
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146 # all green (part 1)! let's go (until we check the tag)
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147
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148 # initialization
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149 # are we really doing it?
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150 if [ $# -lt 2 ]; then
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149
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151 echo "Usage: moefetch status|fetch|update <tags>"
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148
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152 exit 1
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153 fi
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154
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155 case "$1" in
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156 status|get|update)
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157 echo "Starting..."
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158 ;;
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159 *)
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160 echo "Usage: moefetch status|fetch|update <tags>"
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161 exit 1
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162 ;;
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163 esac
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164
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165 # we did it indeed
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166 # get started
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167
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168 # do we own the files
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169 tags=`echo "$@" | cut -d ' ' -f 2- -`
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170 echo "Tags: $tags"
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171 # slash do not want
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172 outdir=`echo "$tags" | sed -e 's/\//_/g'`
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173 if [ -O "$basedir" ]; then
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174 if [ ! -d "$basedir/$outdir" ]; then
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175 ISNEW=1
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176 mkdir "$basedir/$outdir"
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177 fi
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178 if [ ! -O "$basedir/$outdir" ]; then
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179 echo "You don't own the $basedir/$outdir, applying globally writeable permission on it"
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180 chmod -R u=rwX,g=rwX,o=rwX "$basedir/$outdir"
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181 fi
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182 if [ `echo \`ls "$basedir/$outdir" | wc -l\`` -eq 0 ]; then
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183 ISNEW=1
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184 fi
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185 if [ ! -d "$basedir/temp" ]; then
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186 mkdir "$basedir/temp"
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187 fi
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188 if [ ! -O "$basedir/temp" ]; then
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189 echo "You don't own the $basedir/temp, applying globally writeable permission on it"
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190 chmod -R u=rwX,g=rwX,o=rwX "$basedir/temp"
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191 fi
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192 else
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193 echo "Fatal error: you don't own ${basedir}. Please fix ${basedir}. Stopping"
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194 exit 1
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195 fi
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196 # let's move to workdir
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197 cd "$basedir/temp"
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198 touch "$outdir-error"
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199 touch "$outdir-ok"
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200 touch "$outdir-list"
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201 touch "$outdir-newlist"
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202 #
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203
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204 # let's do the job!
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205 case "$1" in
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206 status)
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207 GENERATE
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208 CHECK
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209 ;;
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210 get)
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211 GENERATE
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212 CHECK
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213 FETCH
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214 ;;
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215 update)
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216 FETCH
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217 ;;
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218 esac
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