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1 #! /bin/sh -e |
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2 |
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3 # generate a new dcc_conf file from an existing file |
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4 |
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5 # Copyright (c) 2008 by Rhyolite Software, LLC |
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6 # |
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7 # This agreement is not applicable to any entity which sells anti-spam |
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8 # solutions to others or provides an anti-spam solution as part of a |
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9 # security solution sold to other entities, or to a private network |
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10 # which employs the DCC or uses data provided by operation of the DCC |
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11 # but does not provide corresponding data to other users. |
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12 # |
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13 # Permission to use, copy, modify, and distribute this software without |
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14 # changes for any purpose with or without fee is hereby granted, provided |
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15 # that the above copyright notice and this permission notice appear in all |
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16 # copies and any distributed versions or copies are either unchanged |
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17 # or not called anything similar to "DCC" or "Distributed Checksum |
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18 # Clearinghouse". |
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19 # |
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20 # Parties not eligible to receive a license under this agreement can |
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21 # obtain a commercial license to use DCC by contacting Rhyolite Software |
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22 # at sales@rhyolite.com. |
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23 # |
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24 # A commercial license would be for Distributed Checksum and Reputation |
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25 # Clearinghouse software. That software includes additional features. This |
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26 # free license for Distributed ChecksumClearinghouse Software does not in any |
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27 # way grant permision to use Distributed Checksum and Reputation Clearinghouse |
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28 # software |
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29 # |
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30 # THE SOFTWARE IS PROVIDED "AS IS" AND RHYOLITE SOFTWARE, LLC DISCLAIMS ALL |
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31 # WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES |
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32 # OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL RHYOLITE SOFTWARE, LLC |
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33 # BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES |
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34 # OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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35 # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
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36 # ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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37 # SOFTWARE. |
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38 |
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39 # Rhyolite Software DCC 1.3.103-1.23 $Revision$ |
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40 |
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41 FNAME=dcc_conf |
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42 |
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43 CUR= |
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44 PROTOTYPE=$FNAME |
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45 SUFFIX=new |
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46 NEW= |
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47 DCC_HOMEDIR= |
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48 |
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49 USAGE="$0: [-x] [-i cur] [-s new-suffix] [-p prototype] [-o new] -h homedir" |
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50 while getopts "xi:s:p:o:h:" c; do |
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51 case $c in |
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52 x) set -x;; |
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53 i) CUR="$OPTARG";; |
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54 s) if test -n "$OPTARG"; then |
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55 SUFFIX="$OPTARG" |
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56 fi |
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57 ;; |
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58 p) PROTOTYPE="$OPTARG";; |
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59 o) NEW="$OPTARG";; |
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60 h) DCC_HOMEDIR="$OPTARG";; |
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61 *) echo "$USAGE" 1>&2; exit 1;; |
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62 esac |
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63 done |
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64 shift `expr $OPTIND - 1 || true` |
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65 if test "$#" -ne 0 -o ! -d "$DCC_HOMEDIR"; then |
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66 echo "$USAGE" 1>&2 |
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67 exit 1 |
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68 fi |
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69 |
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70 if test ! -s "$PROTOTYPE"; then |
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71 echo "prototype $PROTOTYPE does not exist" 1>&2 |
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72 exit 1 |
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73 fi |
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74 |
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75 if test -z "$CUR"; then |
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76 CUR="$DCC_HOMEDIR/$FNAME" |
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77 fi |
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78 if test ! -f "$CUR"; then |
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79 echo "$CUR does not exist" 1>&2 |
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80 exit 1 |
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81 fi |
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82 |
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83 if test -z "$NEW"; then |
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84 NEW="$CUR-$SUFFIX" |
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85 fi |
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86 |
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87 # Use /^[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/ patterns instead of easier to read, |
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88 # probably faster /^[A-Z/ patterns because someone has decided that |
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89 # GNU Awk 3.1.3 (at least on x86_64) should have /^[A-Z]/ match "fi" |
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90 # with IGNORECASE=0 and even in traditional mode. |
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91 |
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92 rm -f $NEW |
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93 awk '(first_file == "") { |
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94 first_file = FILENAME; |
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95 } |
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96 /^[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/ { |
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97 # deal with continuation lines |
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98 line = $0; |
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99 while (substr(line,length(line)) == "\\") { |
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100 if (getline <= 0) { |
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101 break; |
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102 } |
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103 line = line "\n" $0; |
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104 } |
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105 # divide the line into the variable name or key and its value |
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106 inx = index(line, "="); |
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107 if (inx == 0) { |
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108 inx = length(line)+1; |
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109 } |
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110 key = substr(line, 1, inx-1); |
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111 val = substr(line, inx+1); |
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112 # only record things in the first file |
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113 if (first_file == FILENAME) { |
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114 defined[key] = 1; |
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115 mem[key] = val; |
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116 if (cur_comment) { |
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117 comments[key] = cur_comment; |
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118 cur_comment = ""; |
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119 } |
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120 } else { |
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121 # on first line of second file, make compatibility adjustments |
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122 if (!adjusted) { |
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123 adjusted = 1; |
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124 if (mem["DCCD_ENABLE"] == "") { |
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125 defined["DCCD_ENABLE"] = 1; |
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126 if (mem["SRVR_ID"] == "") { |
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127 mem["DCCD_ENABLE"] = "off"; |
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128 } else { |
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129 mem["DCCD_ENABLE"] = "on"; |
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130 } |
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131 } |
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132 # fix DCC_RUNDIR=@dcc_rundir@ bug in 1.2.14 and preceding |
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133 if (defined["DCC_RUNDIR"]) { |
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134 if (mem["DCC_RUNDIR"] == "@dcc_rundir@") { |
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135 defined["DCC_RUNDIR"] = 0; |
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136 } |
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137 } |
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138 # Use new values of some variables if their old values were |
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139 # defaults. This makes ./configure changes effective. |
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140 if (mem["Configure_DCC_LIBEXEC"] == mem["DCC_LIBEXEC"]) { |
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141 defined["DCC_LIBEXEC"] = 0; |
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142 } |
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143 if (mem["Configure_DCC_RUNDIR"] == mem["DCC_RUNDIR"]) { |
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144 defined["DCC_RUNDIR"] = 0; |
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145 } |
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146 if (mem["Configure_DCCSUID"] == mem["DCCSUID"]) { |
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147 defined["DCCSUID"] = 0; |
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148 } |
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149 if (mem["Configure_DCC_LOGGER"] == mem["DCC_LOGGER"]) { |
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150 defined["DCC_LOGGER"] = 0; |
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151 } |
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152 # use new, configured values of some variables |
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153 if (defined["DCC_CONF_VERSION"]) |
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154 old_version = mem["DCC_CONF_VERSION"]; |
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155 defined["DCC_CONF_VERSION"] = 0; |
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156 defined["Configure_DCC_LIBEXEC"] = 0; |
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157 defined["Configure_DCC_RUNDIR"] = 0; |
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158 defined["Configure_DCCSUID"] = 0; |
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159 defined["Configure_DCC_LOGGER"] = 0; |
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160 } |
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161 if (defined[key]) { |
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162 if (comments[key] && old_version > 3) { |
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163 print comments[key]; |
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164 } |
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165 print key "=" mem[key]; |
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166 } else { |
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167 print line; |
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168 } |
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169 } |
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170 } |
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171 !/^[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/ { |
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172 if (FILENAME != first_file) { |
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173 print $0; |
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174 } else { |
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175 if ($0 ~ /^ *#/ && $1 != "#") { |
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176 if (cur_comment) { |
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177 cur_comment = cur_comment "\n" $0; |
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178 } else { |
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179 cur_comment = $0; |
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180 } |
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181 } |
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182 } |
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183 }' $CUR $PROTOTYPE >$NEW |
