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1 #!/usr/bin/perl -w
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2 #
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3 # $RCSfile: ModifyTextFilesFormat.pl,v $
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4 # $Date: 2015/02/28 20:46:20 $
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5 # $Revision: 1.34 $
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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(@TextFilesList);
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55 @TextFilesList = ExpandFileNames(\@ARGV, "csv tsv");
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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 text file(s)...\n";
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63 my(%TextFilesInfo);
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64 RetrieveTextFilesInfo();
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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 (@TextFilesList > 1) {
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69 print "\nProcessing text files...\n";
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70 }
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71 for $FileIndex (0 .. $#TextFilesList) {
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72 if ($TextFilesInfo{FileOkay}[$FileIndex]) {
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73 print "\nProcessing file $TextFilesList[$FileIndex]...\n";
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74 ModifyTextFileFormat($FileIndex);
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75 }
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76 }
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77 print "\n$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 text file format...
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86 sub ModifyTextFileFormat {
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87 my($Index) = @_;
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88 my($TextFile, $NewTextFile, $InDelim, $Line, @Words);
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89
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90 $TextFile = $TextFilesList[$Index];
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91
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92 $NewTextFile = $TextFilesInfo{OutFile}[$Index];
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93 $InDelim = $TextFilesInfo{InDelim}[$Index];
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94
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95 print "Generating new $NewTextFile file...\n";
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96
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97 open NEWTEXTFILE, ">$NewTextFile" or die "Error: Can't open $NewTextFile !$ \n";
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98 open TEXTFILE, "$TextFile" or die "Error: Can't open $TextFile: $! \n";
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99
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100 while ($Line = GetTextLine(\*TEXTFILE)) {
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101 @Words = quotewords($InDelim, 0, $Line);
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102 $Line = JoinWords(\@Words, $OptionsInfo{OutDelim}, $OptionsInfo{OutQuote});
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103 print NEWTEXTFILE "$Line\n";
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104 }
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105
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106 close NEWTEXTFILE;
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107 close TEXTFILE;
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108 }
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109
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110 # Retrieve information about input text files...
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111 sub RetrieveTextFilesInfo {
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112 my($Index, $TextFile, $NewTextFile, $FileDir, $FileName, $FileExt, $InDelim, $OutFileExt);
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113
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114 %TextFilesInfo = ();
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115 @{$TextFilesInfo{FileOkay}} = ();
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116 @{$TextFilesInfo{InDelim}} = ();
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117 @{$TextFilesInfo{OutFile}} = ();
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118
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119 FILELIST: for $Index (0 .. $#TextFilesList) {
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120 $TextFile = $TextFilesList[$Index];
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121
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122 $TextFilesInfo{FileOkay}[$Index] = 0;
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123 $TextFilesInfo{InDelim}[$Index] = "";
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124 $TextFilesInfo{OutFile}[$Index] = "";
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125
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126 if (!(-e $TextFile)) {
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127 warn "Warning: Ignoring file $TextFile: It doesn't exist\n";
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128 next FILELIST;
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129 }
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130 if (!CheckFileType($TextFile, "csv tsv")) {
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131 warn "Warning: Ignoring file $TextFile: It's not a csv or tsv file\n";
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132 next FILELIST;
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133 }
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134 if (!open TEXTFILE, "$TextFile") {
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135 warn "Warning: Ignoring file $TextFile: Couldn't open it: $! \n";
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136 next FILELIST;
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137 }
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138 close TEXTFILE;
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139
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140 ($FileDir, $FileName, $FileExt) = ParseFileName($TextFile);
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141
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142 if ($FileExt =~ /^tsv$/i) {
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143 $InDelim = "\t";
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144 }
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145 else {
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146 $InDelim = "\,";
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147 if ($OptionsInfo{InDelim} !~ /^(comma|semicolon)$/i) {
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148 warn "Warning: Ignoring file $TextFile: The value specified, $OptionsInfo{InDelim}, for option \"--indelim\" is not valid for csv files\n";
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149 next FILELIST;
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150 }
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151 if ($OptionsInfo{InDelim} =~ /^semicolon$/i) {
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152 $InDelim = "\;";
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153 }
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154 }
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155
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156 if (lc($InDelim) eq lc($OptionsInfo{OutDelim})) {
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157 warn "Warning: Ignoring file $TextFile: The value specified, $Options{outdelim}, for option \"--outdelim\" is same as input delimiter\n";
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158 next FILELIST;
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159 }
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160
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161 $OutFileExt = ($Options{outdelim} =~ /^tab$/i ) ? "tsv" : "csv";
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162
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163 $NewTextFile = $FileName;
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164 if ($OptionsInfo{OutFileRoot} && (@TextFilesList == 1)) {
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165 my ($RootFileDir, $RootFileName, $RootFileExt) = ParseFileName($OptionsInfo{OutFileRoot});
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166 if ($RootFileName && $RootFileExt) {
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167 $NewTextFile = $RootFileName;
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168 }
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169 else {
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170 $NewTextFile = $OptionsInfo{OutFileRoot};
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171 }
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172 $NewTextFile .= ".$OutFileExt";
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173 }
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174 else {
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175 $NewTextFile .= "FormatModified" . ".$OutFileExt";
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176 }
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177
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178 if (!$OptionsInfo{Overwrite}) {
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179 if (-e $NewTextFile) {
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180 warn "Warning: Ignoring file $TextFile: New Text file, $NewTextFile, already exists\n";
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181 next FILELIST;
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182 }
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183 }
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184
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185 $TextFilesInfo{FileOkay}[$Index] = 1;
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186 $TextFilesInfo{InDelim}[$Index] = $InDelim;
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187 $TextFilesInfo{OutFile}[$Index] = $NewTextFile;
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188 }
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189
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190 }
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191
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192 # Process option values...
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193 sub ProcessOptions {
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194 %OptionsInfo = ();
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195
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196 $OptionsInfo{InDelim} = $Options{indelim};
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197
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198 $OptionsInfo{OutFileRoot} = $Options{root} ? $Options{root} : undef;
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199 $OptionsInfo{Overwrite} = $Options{overwrite} ? $Options{overwrite} : undef;
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200
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201 $OptionsInfo{OutDelim} = ($Options{outdelim} =~ /^tab$/i ) ? "\t" : (($Options{outdelim} =~ /^semicolon$/i) ? "\;" : "\,");
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202 $OptionsInfo{OutQuote} = ($Options{quote} =~ /^yes$/i) ? 1 : 0;
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203
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204 }
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205
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206 # Setup script usage and retrieve command line arguments specified using various options...
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207 sub SetupScriptUsage {
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208
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209 # Retrieve all the options...
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210 %Options = ();
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211
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212 $Options{indelim} = "comma";
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213 $Options{outdelim} = "tab";
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214 $Options{quote} = "yes";
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215
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216 if (!GetOptions(\%Options, "help|h", "indelim=s", "outdelim=s", "overwrite|o", "quote|q=s", "root|r=s", "workingdir|w=s")) {
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217 die "\nTo get a list of valid options and their values, use \"$ScriptName -h\" or\n\"perl -S $ScriptName -h\" command and try again...\n";
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218 }
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219 if ($Options{workingdir}) {
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220 if (! -d $Options{workingdir}) {
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221 die "Error: The value specified, $Options{workingdir}, for option \"-w --workingdir\" is not a directory name.\n";
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222 }
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223 chdir $Options{workingdir} or die "Error: Couldn't chdir $Options{workingdir}: $! \n";
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224 }
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225 if ($Options{indelim} !~ /^(comma|semicolon)$/i) {
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226 die "Error: The value specified, $Options{indelim}, for option \"--indelim\" is not valid. Allowed values: comma or semicolon\n";
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227 }
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228 if ($Options{outdelim} !~ /^(comma|semicolon|tab)$/i) {
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229 die "Error: The value specified, $Options{outdelim}, for option \"--outdelim\" is not valid. Allowed values: comma, tab, or semicolon\n";
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230 }
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231 if ($Options{quote} !~ /^(yes|no)$/i) {
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232 die "Error: The value specified, $Options{quote}, for option \"-q --quote\" is not valid. Allowed values: yes or no\n";
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233 }
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234 }
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235
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236 __END__
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237
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238 =head1 NAME
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239
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240 ModifyTextFilesFormat.pl - Change CSV Textfile(s) into TSV Textfile(s) and vice versa
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241
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242 =head1 SYNOPSIS
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243
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244 ModifyTextFilesFormat.pl TextFile(s)...
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245
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246 ModifyTextFilesFormat.pl [B<-h, --help>] [B<--indelim> comma | semicolon]
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247 [B<--outdelim> comma | tab | semicolon] [B<-q, --quote> yes | no] [B<-r, --root> rootname]
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248 [B<-w, --workingdir> dirname] TextFile(s)...
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249
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250 =head1 DESCRIPTION
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251
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252 Interchange CSV and TSV I<TextFile(s)> format. Mutiple file names are separated by spaces.
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253 The valid file extensions are I<.csv> and I<.tsv> for comma/semicolon and tab delimited
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254 text files respectively. All other file names are ignored. All the text files in a current
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255 directory can be specified by I<*.csv>, I<*.tsv>, or the current directory name. The
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256 B<--indelim> option determines the format of I<TextFile(s)>. Any file which doesn't
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257 correspond to the format indicated by B<--indelim> option is ignored.
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258
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259 =head1 OPTIONS
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260
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261 =over 4
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262
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263 =item B<-h, --help>
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264
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265 Print this help message.
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266
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267 =item B<--indelim> I<comma | semicolon>
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268
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269 Input delimiter for CSV I<TextFile(s)>. Possible values: I<comma or semicolon>.
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270 Default value: I<comma>. For TSV files, this option is ignored and I<tab> is used as a
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271 delimiter.
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272
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273 =item B<-o, --overwrite>
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274
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275 Overwrite existing files.
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276
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277 =item B<--outdelim> I<comma | tab | semicolon>
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278
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279 Output text file delimiter. Possible values: I<comma, tab, or semicolon>
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280 Default value: I<comma>.
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281
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282 =item B<-q, --quote> I<yes | no>
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283
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284 Put quotes around column values in output text file. Possible values: I<yes or
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285 no>. Default value: I<yes>.
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286
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287 =item B<-r, --root> I<rootname>
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288
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289 New text file name is generated using the root: <Root>.<Ext>. Default new file
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290 name: <InitialTextFileName>FormatModified.<Ext>. The csv, and tsv
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291 <Ext> values are used for comma/semicolon, and tab delimited text files
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292 respectively. This option is ignored for multiple input files.
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293
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294 =item B<-w, --workingdir> I<dirname>
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295
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296 Location of working directory. Default: current directory.
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297
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298 =back
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299
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300 =head1 EXAMPLES
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301
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302 To convert Sample*.csv into TSV files, type:
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303
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304 % ModifyTextFilesFormat.pl --outdelim tab -q no -o Sample*.csv
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305
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306 To convert Sample1.tsv into NewSample1.csv without any quotes around column
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307 data values, type:
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308
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309 % ModifyTextFilesFormat.pl --outdelim comma - q no
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310 -r NewSample1 -o Sample1.tsv
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311
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312 =head1 AUTHOR
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313
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314 Manish Sud <msud@san.rr.com>
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315
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316 =head1 SEE ALSO
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317
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318 ModifyNewLineChar.pl
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319
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320 =head1 COPYRIGHT
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321
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322 Copyright (C) 2015 Manish Sud. All rights reserved.
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323
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324 This file is part of MayaChemTools.
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325
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326 MayaChemTools is free software; you can redistribute it and/or modify it under
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327 the terms of the GNU Lesser General Public License as published by the Free
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328 Software Foundation; either version 3 of the License, or (at your option)
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329 any later version.
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330
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331 =cut
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