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1 #!/usr/bin/perl -w
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2 #
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3 # $RCSfile: ModifyNewLineChar.pl,v $
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4 # $Date: 2015/02/28 20:46:20 $
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5 # $Revision: 1.26 $
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6 #
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7 # Author: Manish Sud <msud@san.rr.com>
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8 #
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9 # Copyright (C) 2015 Manish Sud. All rights reserved.
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10 #
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11 # This file is part of MayaChemTools.
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12 #
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13 # MayaChemTools is free software; you can redistribute it and/or modify it under
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14 # the terms of the GNU Lesser General Public License as published by the Free
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15 # Software Foundation; either version 3 of the License, or (at your option) any
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16 # later version.
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17 #
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18 # MayaChemTools is distributed in the hope that it will be useful, but without
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19 # any warranty; without even the implied warranty of merchantability of fitness
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20 # for a particular purpose. See the GNU Lesser General Public License for more
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21 # details.
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22 #
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23 # You should have received a copy of the GNU Lesser General Public License
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24 # along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or
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25 # write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,
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26 # Boston, MA, 02111-1307, USA.
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27 #
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28
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29 use strict;
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30 use FindBin; use lib "$FindBin::Bin/../lib";
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31 use Getopt::Long;
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32 use File::Basename;
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33 use Text::ParseWords;
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34 use Benchmark;
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35 use FileUtil;
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36 use TextUtil;
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37
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38 my($ScriptName, %Options, $StartTime, $EndTime, $TotalTime);
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39
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40 # Autoflush STDOUT
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41 $| = 1;
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42
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43 # Starting message...
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44 $ScriptName = basename $0;
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45 print "\n$ScriptName:Starting...\n\n";
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46 $StartTime = new Benchmark;
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47
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48 # Get the options and setup script...
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49 SetupScriptUsage();
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50 if ($Options{help} || @ARGV < 1) {
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51 die GetUsageFromPod("$FindBin::Bin/$ScriptName");
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52 }
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53
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54 my( @FilesList);
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55 @FilesList = ExpandFileNames(\@ARGV, "");
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56
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57 # Process options...
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58 print "Processing options...\n";
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59 my(%OptionsInfo);
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60 ProcessOptions();
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61
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62 print "Checking input file(s)...\n";
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63 my(%FilesInfo);
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64 RetrieveFilesInfo();
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65
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66 # Generate output files...
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67 my($FileIndex);
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68 if (@FilesList > 1) {
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69 print "\nProcessing files...\n";
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70 }
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71 for $FileIndex (0 .. $#FilesList) {
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72 if ($FilesInfo{FileOkay}[$FileIndex]) {
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73 print "\nProcessing file $FilesList[$FileIndex]...\n";
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74 ModifyNewLineChar($FileIndex);
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75 }
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76 }
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77 print "\n$ScriptName:Done...\n\n";
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78
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79 $EndTime = new Benchmark;
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80 $TotalTime = timediff ($EndTime, $StartTime);
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81 print "Total time: ", timestr($TotalTime), "\n";
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82
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83 ###############################################################################
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84
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85 # Modify new line characters...
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86 sub ModifyNewLineChar {
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87 my($Index) = @_;
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88 my($File, $NewFile, $Mode, $Nothing);
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89
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90 $File = $FilesList[$Index];
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91 $NewFile = $FilesInfo{OutFile}[$Index];
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92
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93 $Mode = $OptionsInfo{Mode};
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94
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95 print "Generating new $NewFile file...\n";
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96
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97 open NEWFILE, ">$NewFile" or die "Error: Can't open $NewFile: !$ \n";
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98 open FILE, "$File" or die "Error: Can't open $File: $! \n";
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99
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100 while (<FILE>) {
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101 LINE: {
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102 if ($Mode =~ /^Unix$/i) { s/(\r\n)|(\r)|(\n)/\n/g; last LINE; }
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103 if ($Mode =~ /^Windows$/i) { s/(\r\n)|(\r)|(\n)/\r\n/g; last LINE; }
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104 if ($Mode =~ /^Mac$/i) { s/(\r\n)|(\r)|(\n)/\r/g; last LINE; }
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105 $Nothing = 1;
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106 }
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107 print NEWFILE;
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108 }
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109
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110 close NEWFILE;
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111 close FILE;
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112 }
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113
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114 # Retrieve input files info...
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115 sub RetrieveFilesInfo {
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116 my($File, $Index, $FileDir, $FileName, $FileExt, $NewFileName);
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117
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118 %FilesInfo = ();
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119
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120 @{$FilesInfo{FileOkay}} = ();
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121 @{$FilesInfo{OutFile}} = ();
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122
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123 FILELIST: for $Index (0 .. $#FilesList) {
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124 $File = $FilesList[$Index];
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125
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126 $FilesInfo{FileOkay}[$Index] = 0;
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127 $FilesInfo{OutFile}[$Index] = "";
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128
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129 if (!(-e $File)) {
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130 warn "Warning: Ignoring file $File: It doesn't exist\n";
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131 next FILELIST;
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132 }
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133
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134 if (!open FILE, "$File") {
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135 warn "Warning: Ignoring file $File: Couldn't open it: $! \n";
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136 next FILELIST;
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137 }
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138 close FILE;
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139
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140 $FileDir = ""; $FileName = ""; $FileExt = "";
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141 ($FileDir, $FileName, $FileExt) = ParseFileName($File);
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142 $NewFileName = $FileName;
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143 if ($OptionsInfo{OutFileRoot} && (@FilesList == 1)) {
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144 my ($RootFileDir, $RootFileName, $RootFileExt) = ParseFileName($OptionsInfo{OutFileRoot});
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145 if ($RootFileName && $RootFileExt) {
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146 $NewFileName = $RootFileName;
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147 }
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148 else {
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149 $NewFileName = $OptionsInfo{OutFileRoot};
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150 }
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151 }
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152 else {
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153 $NewFileName .= $OptionsInfo{Mode};
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154 }
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155
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156 if ($FileExt) {
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157 $NewFileName .= ".$FileExt";
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158 }
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159
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160 if (!$OptionsInfo{Overwrite}) {
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161 if (-e $NewFileName) {
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162 warn "Warning: Ignoring file $File: New Text file, $NewFileName, already exists\n";
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163 next FILELIST;
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164 }
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165 }
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166 $FilesInfo{FileOkay}[$Index] = 1;
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167 $FilesInfo{OutFile}[$Index] = $NewFileName;
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168 }
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169 }
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170
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171 # Process option values...
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172 sub ProcessOptions {
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173 %OptionsInfo = ();
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174
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175 $OptionsInfo{Mode} = $Options{mode};
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176
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177 $OptionsInfo{OutFileRoot} = $Options{root} ? $Options{root} : undef;
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178 $OptionsInfo{Overwrite} = $Options{overwrite} ? $Options{overwrite} : undef;
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179
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180 }
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181
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182 # Setup script usage and retrieve command line arguments specified using various options...
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183 sub SetupScriptUsage {
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184
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185 # Retrieve all the options...
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186 %Options = ();
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187 $Options{mode} = "Unix";
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188
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189 if (!GetOptions(\%Options, "help|h", "mode|m=s", "overwrite|o", "root|r=s", "workingdir|w=s")) {
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190 die "\nTo get a list of valid options and their values, use \"$ScriptName -h\" or\n\"perl -S $ScriptName -h\" command and try again...\n";
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191 }
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192 if ($Options{workingdir}) {
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193 if (! -d $Options{workingdir}) {
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194 die "Error: The value specified, $Options{workingdir}, for option \"-w --workingdir\" is not a directory name.\n";
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195 }
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196 chdir $Options{workingdir} or die "Error: Couldn't chdir $Options{workingdir}: $! \n";
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197 }
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198 if ($Options{mode} !~ /^(Unix|Windows|Mac)$/i) {
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199 die "Error: The value specified, $Options{mode}, for option \"-m --mode\" is not valid. Allowed values: Unix, Windows, or Mac\n";
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200 }
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201 }
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202
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203 __END__
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204
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205 =head1 NAME
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206
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207 ModifyNewLineChar.pl - Modify new line char(s)
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208
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209 =head1 SYNOPSIS
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210
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211 ModifyNewLineChar.pl File(s)...
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212
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213 ModifyNewLineChar.pl [B<-h, --help>] [B<-m, --mode> Unix | Mac | Windows] [B<-o, --overwrite>]
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214 [B<-r, --root> rootname] [B<-w, --workingdir> dirname] File(s)...
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215
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216 =head1 DESCRIPTION
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217
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218 Modify new line char(s) in ASCII files to interchange among Unix, Windows, and Mac
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219 formats.
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220
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221 =head1 OPTIONS
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222
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223 =over 4
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224
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225 =item B<-h, --help>
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226
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227 Print this help message.
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228
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229 =item B<-m, --mode> I<Unix | Mac | Windows>
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230
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231 New line char(s) mode. Possible values: I<Unix, Mac, or Windows>. Default: I<Unix>. Here
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232 are default values for new line char(s): I<Unix - \n; Windows: \r\n; Mac - \r>
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233
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234 =item B<-o, --overwrite>
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235
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236 Overwrite existing files.
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237
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238 =item B<-r, --root> I<rootname>
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239
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240 New text file name is generated using the root: <Root>.<Ext>. Default new file name:
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241 <InitialFileName><Mode>.<InitialFileExt>. This option is ignored for multiple input files.
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242
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243 =item B<-w, --workingdir> I<dirname>
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244
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245 Location of working directory. Default: current directory.
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246
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247 =back
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248
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249 =head1 EXAMPLES
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250
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251 To use Unix new line char and generate NewSample1.csv file, type:
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252
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253 % ModifyNewLineChar.pl -m Unix -r NewSample1 -o Sample1.csv
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254
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255 To use Mac new line char and generate NewSample1.sdf file, type:
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256
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257 % ModifyNewLineChar.pl -m Mac -r NewSample1 -o Sample1.sdf
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258
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259 To use Windows new line chars and generate NewSample1.csv file, type:
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260
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261 % ModifyNewLineChar.pl -m Windows -r NewSample1 -o Sample1.csv
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262
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263 =head1 AUTHOR
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264
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265 Manish Sud <msud@san.rr.com>
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266
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267 =head1 SEE ALSO
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268
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269 ModifyTextFilesFormat.pl
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270
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271 =head1 COPYRIGHT
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272
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273 Copyright (C) 2015 Manish Sud. All rights reserved.
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274
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275 This file is part of MayaChemTools.
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276
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277 MayaChemTools is free software; you can redistribute it and/or modify it under
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278 the terms of the GNU Lesser General Public License as published by the Free
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279 Software Foundation; either version 3 of the License, or (at your option)
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280 any later version.
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281
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282 =cut
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