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   1 #!/usr/bin/perl -w
   2 <span class="c">#</span>
   3 <span class="c"># $RCSfile: ExtractFromSequenceFiles.pl,v $</span>
   4 <span class="c"># $Date: 2015/02/28 20:46:19 $</span>
   5 <span class="c"># $Revision: 1.23 $</span>
   6 <span class="c">#</span>
   7 <span class="c"># Author: Manish Sud &lt;msud@san.rr.com&gt;</span>
   8 <span class="c">#</span>
   9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
  10 <span class="c">#</span>
  11 <span class="c"># This file is part of MayaChemTools.</span>
  12 <span class="c">#</span>
  13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
  14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
  15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
  16 <span class="c"># later version.</span>
  17 <span class="c">#</span>
  18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
  19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
  20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span>
  21 <span class="c"># details.</span>
  22 <span class="c">#</span>
  23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
  24 <span class="c"># along with MayaChemTools; if not, see &lt;http://www.gnu.org/licenses/&gt; or</span>
  25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
  26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
  27 <span class="c">#</span>
  28 
  29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
  30 <span class="k">use</span> <span class="w">FindBin</span><span class="sc">;</span> <span class="k">use</span> <span class="w">lib</span> <span class="q">&quot;$FindBin::Bin/../lib&quot;</span><span class="sc">;</span>
  31 <span class="k">use</span> <span class="w">Getopt::Long</span><span class="sc">;</span>
  32 <span class="k">use</span> <span class="w">File::Basename</span><span class="sc">;</span>
  33 <span class="k">use</span> <span class="w">Text::ParseWords</span><span class="sc">;</span>
  34 <span class="k">use</span> <span class="w">Benchmark</span><span class="sc">;</span>
  35 <span class="k">use</span> <span class="w">FileUtil</span><span class="sc">;</span>
  36 <span class="k">use</span> <span class="w">TextUtil</span><span class="sc">;</span>
  37 <span class="k">use</span> <span class="w">SequenceFileUtil</span><span class="sc">;</span>
  38 
  39 <span class="k">my</span><span class="s">(</span><span class="i">$ScriptName</span><span class="cm">,</span> <span class="i">%Options</span><span class="cm">,</span> <span class="i">$StartTime</span><span class="cm">,</span> <span class="i">$EndTime</span><span class="cm">,</span> <span class="i">$TotalTime</span><span class="s">)</span><span class="sc">;</span>
  40 
  41 <span class="c"># Autoflush STDOUT</span>
  42 <span class="i">$|</span> = <span class="n">1</span><span class="sc">;</span>
  43 
  44 <span class="c"># Starting message...</span>
  45 <span class="i">$ScriptName</span> = <span class="i">basename</span><span class="s">(</span><span class="i">$0</span><span class="s">)</span><span class="sc">;</span>
  46 <span class="k">print</span> <span class="q">&quot;\n$ScriptName: Starting...\n\n&quot;</span><span class="sc">;</span>
  47 <span class="i">$StartTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span>
  48 
  49 <span class="c"># Setup script usage message...</span>
  50 <span class="i">SetupScriptUsage</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  51 <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">help</span>} || <span class="i">@ARGV</span> &lt; <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
  52   <span class="k">die</span> <span class="i">GetUsageFromPod</span><span class="s">(</span><span class="q">&quot;$FindBin::Bin/$ScriptName&quot;</span><span class="s">)</span><span class="sc">;</span>
  53 <span class="s">}</span>
  54 
  55 <span class="c"># Expand wild card file names...</span>
  56 <span class="k">my</span><span class="s">(</span><span class="i">@SequenceFilesList</span><span class="s">)</span><span class="sc">;</span>
  57 <span class="i">@SequenceFilesList</span> = <span class="i">ExpandFileNames</span><span class="s">(</span>\<span class="i">@ARGV</span><span class="cm">,</span> <span class="q">&quot;aln msf fasta fta pir&quot;</span><span class="s">)</span><span class="sc">;</span>
  58 
  59 <span class="c"># Process options...</span>
  60 <span class="k">print</span> <span class="q">&quot;Processing options...\n&quot;</span><span class="sc">;</span>
  61 <span class="k">my</span><span class="s">(</span><span class="i">%OptionsInfo</span><span class="s">)</span><span class="sc">;</span>
  62 <span class="i">ProcessOptions</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  63 
  64 <span class="c"># Set up information about input files...</span>
  65 <span class="k">print</span> <span class="q">&quot;Checking input sequence file(s)...\n&quot;</span><span class="sc">;</span>
  66 <span class="k">my</span><span class="s">(</span><span class="i">%SequenceFilesInfo</span><span class="s">)</span><span class="sc">;</span>
  67 <span class="i">RetrieveSequenceFilesInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  68 
  69 <span class="c"># Process input files..</span>
  70 <span class="k">my</span><span class="s">(</span><span class="i">$FileIndex</span><span class="s">)</span><span class="sc">;</span>
  71 <span class="k">if</span> <span class="s">(</span><span class="i">@SequenceFilesList</span> &gt; <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
  72   <span class="k">print</span> <span class="q">&quot;\nProcessing sequence files...\n&quot;</span><span class="sc">;</span>
  73 <span class="s">}</span>
  74 <span class="k">for</span> <span class="i">$FileIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#SequenceFilesList</span><span class="s">)</span> <span class="s">{</span>
  75   <span class="k">if</span> <span class="s">(</span><span class="i">$SequenceFilesInfo</span>{<span class="w">FilesOkay</span>}[<span class="i">$FileIndex</span>]<span class="s">)</span> <span class="s">{</span>
  76     <span class="k">print</span> <span class="q">&quot;\nProcessing file $SequenceFilesList[$FileIndex]...\n&quot;</span><span class="sc">;</span>
  77     <span class="i">ExtractFromSequenceFiles</span><span class="s">(</span><span class="i">$FileIndex</span><span class="s">)</span><span class="sc">;</span>
  78   <span class="s">}</span>
  79 <span class="s">}</span>
  80 <span class="k">print</span> <span class="q">&quot;\n$ScriptName:Done...\n\n&quot;</span><span class="sc">;</span>
  81 
  82 <span class="i">$EndTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span>
  83 <span class="i">$TotalTime</span> = <span class="w">timediff</span> <span class="s">(</span><span class="i">$EndTime</span><span class="cm">,</span> <span class="i">$StartTime</span><span class="s">)</span><span class="sc">;</span>
  84 <span class="k">print</span> <span class="q">&quot;Total time: &quot;</span><span class="cm">,</span> <span class="i">timestr</span><span class="s">(</span><span class="i">$TotalTime</span><span class="s">)</span><span class="cm">,</span> <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
  85 
  86 <span class="c">###############################################################################</span>
  87 
  88 <span class="c"># Extract from sequence files...</span>
<a name="ExtractFromSequenceFiles-"></a>  89 <span class="k">sub </span><span class="m">ExtractFromSequenceFiles</span> <span class="s">{</span>
  90   <span class="k">my</span><span class="s">(</span><span class="i">$FileIndex</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
  91   <span class="k">my</span><span class="s">(</span><span class="i">$OutSequenceFile</span><span class="cm">,</span> <span class="i">$SequenceFile</span><span class="cm">,</span> <span class="i">$SequenceDataRef</span><span class="cm">,</span> <span class="i">$SpecifiedSequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
  92 
  93   <span class="c"># Read sequence file...</span>
  94   <span class="i">$SequenceFile</span> = <span class="i">$SequenceFilesList</span>[<span class="i">$FileIndex</span>]<span class="sc">;</span>
  95   <span class="k">open</span> <span class="w">SEQUENCEFILE</span><span class="cm">,</span> <span class="q">&quot;$SequenceFile&quot;</span> <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Error: Can&#39;t open $SequenceFile: $! \n&quot;</span><span class="sc">;</span>
  96   <span class="i">$SequenceDataRef</span> = <span class="i">ReadSequenceFile</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
  97   <span class="k">close</span> <span class="w">SEQUENCEFILE</span><span class="sc">;</span>
  98 
  99   <span class="i">$OutSequenceFile</span> = <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFile</span>}[<span class="i">$FileIndex</span>]<span class="sc">;</span>
 100   <span class="k">print</span> <span class="q">&quot;Generating sequence file $OutSequenceFile...\n&quot;</span><span class="sc">;</span>
 101 
 102   <span class="c"># Retrieve sequence data for specified sequences...</span>
 103   <span class="i">$SpecifiedSequenceDataRef</span> = <span class="i">GetSpecifiedSequenceData</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 104 
 105   <span class="c"># Handle gaps...</span>
 106   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>}<span class="s">)</span> <span class="s">{</span>
 107     <span class="k">if</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$SpecifiedSequenceDataRef</span>-&gt;{<span class="w">IDs</span>}} &gt; <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
 108       <span class="k">if</span> <span class="s">(</span><span class="i">AreSequenceLengthsIdentical</span><span class="s">(</span><span class="i">$SpecifiedSequenceDataRef</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 109         <span class="i">$SpecifiedSequenceDataRef</span> = <span class="i">RemoveSequenceAlignmentGapColumns</span><span class="s">(</span><span class="i">$SpecifiedSequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 110       <span class="s">}</span>
 111     <span class="s">}</span>
 112     <span class="k">else</span> <span class="s">{</span>
 113       <span class="c"># Remove the gaps from the sequence...</span>
 114       <span class="k">my</span><span class="s">(</span><span class="i">$ID</span><span class="cm">,</span> <span class="i">$Sequence</span><span class="s">)</span><span class="sc">;</span>
 115       <span class="i">$ID</span> = <span class="i">$SpecifiedSequenceDataRef</span>-&gt;{<span class="w">IDs</span>}[<span class="n">0</span>]<span class="sc">;</span>
 116       <span class="i">$Sequence</span> = <span class="i">$SpecifiedSequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 117       <span class="i">$SpecifiedSequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>} = <span class="i">RemoveSequenceGaps</span><span class="s">(</span><span class="i">$Sequence</span><span class="s">)</span><span class="sc">;</span>
 118     <span class="s">}</span>
 119   <span class="s">}</span>
 120 
 121   <span class="c"># Write out the file...</span>
 122   <span class="i">WritePearsonFastaSequenceFile</span><span class="s">(</span><span class="i">$OutSequenceFile</span><span class="cm">,</span> <span class="i">$SpecifiedSequenceDataRef</span><span class="cm">,</span> <span class="i">$OptionsInfo</span>{<span class="w">MaxSequenceLength</span>}<span class="s">)</span><span class="sc">;</span>
 123 <span class="s">}</span>
 124 
 125 <span class="c"># Get specified sequence data...</span>
<a name="GetSpecifiedSequenceData-"></a> 126 <span class="k">sub </span><span class="m">GetSpecifiedSequenceData</span> <span class="s">{</span>
 127   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 128 
 129   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^SequenceID$/i</span><span class="s">)</span> <span class="s">{</span>
 130     <span class="k">return</span> <span class="i">GetDataBySequenceIDs</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 131   <span class="s">}</span>
 132   <span class="k">elsif</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} =~ <span class="q">/^SequenceNum$/i</span><span class="s">)</span> <span class="s">{</span>
 133     <span class="k">return</span> <span class="i">GetDataBySequenceNums</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 134   <span class="s">}</span>
 135   <span class="k">elsif</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} =~ <span class="q">/^SequenceNumRange$/i</span><span class="s">)</span> <span class="s">{</span>
 136     <span class="k">return</span> <span class="i">GetDataBySequenceNumRange</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 137   <span class="s">}</span>
 138   <span class="k">else</span> <span class="s">{</span>
 139     <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span>
 140   <span class="s">}</span>
 141 <span class="s">}</span>
 142 
 143 <span class="c"># Get specified sequence data...</span>
<a name="GetDataBySequenceIDs-"></a> 144 <span class="k">sub </span><span class="m">GetDataBySequenceIDs</span> <span class="s">{</span>
 145   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 146   <span class="k">my</span><span class="s">(</span><span class="i">$ID</span><span class="cm">,</span> <span class="i">$SequenceCount</span><span class="cm">,</span> <span class="i">$IDMatched</span><span class="cm">,</span> <span class="i">$SpecifiedID</span><span class="cm">,</span> <span class="i">%SpecifiedSequenceDataMap</span><span class="s">)</span><span class="sc">;</span>
 147 
 148   <span class="c"># Go over sequences and collect sequences for writing out a new sequence file...</span>
 149   <span class="i">%SpecifiedSequenceDataMap</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 150   <span class="i">@</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">IDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 151   <span class="i">%</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Description</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 152   <span class="i">%</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Sequence</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 153 
 154   <span class="i">$SequenceCount</span> = <span class="n">0</span><span class="sc">;</span>
 155   <span class="j">ID:</span> <span class="k">for</span> <span class="i">$ID</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$SequenceDataRef</span>-&gt;{<span class="w">IDs</span>}}<span class="s">)</span> <span class="s">{</span>
 156     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">MatchExactSequenceIDs</span>}<span class="s">)</span> <span class="s">{</span>
 157       <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDsMap</span>}{<span class="k">lc</span><span class="s">(</span><span class="i">$ID</span><span class="s">)</span>}<span class="s">)</span> <span class="s">{</span>
 158         <span class="k">next</span> <span class="j">ID</span><span class="sc">;</span>
 159       <span class="s">}</span>
 160       <span class="k">if</span> <span class="s">(</span><span class="i">$SequenceCount</span> &gt;= <span class="k">scalar</span> <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}}<span class="s">)</span> <span class="s">{</span>
 161         <span class="k">last</span> <span class="j">ID</span><span class="sc">;</span>
 162       <span class="s">}</span>
 163       <span class="i">$SequenceCount</span>++<span class="sc">;</span>
 164     <span class="s">}</span>
 165     <span class="k">else</span> <span class="s">{</span>
 166       <span class="c"># Does this ID contains specified ID as substring...</span>
 167       <span class="i">$IDMatched</span> = <span class="n">0</span><span class="sc">;</span>
 168       <span class="j">SPECIFIEDID:</span> <span class="k">for</span> <span class="i">$SpecifiedID</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}}<span class="s">)</span> <span class="s">{</span>
 169         <span class="k">if</span> <span class="s">(</span><span class="i">$ID</span> =~ <span class="q">/$SpecifiedID/i</span><span class="s">)</span> <span class="s">{</span>
 170           <span class="i">$IDMatched</span> = <span class="n">1</span><span class="sc">;</span>
 171           <span class="k">last</span> <span class="j">SPECIFIEDID</span><span class="sc">;</span>
 172         <span class="s">}</span>
 173       <span class="s">}</span>
 174       <span class="k">if</span> <span class="s">(</span>!<span class="i">$IDMatched</span><span class="s">)</span> <span class="s">{</span>
 175         <span class="k">next</span> <span class="j">ID</span><span class="sc">;</span>
 176       <span class="s">}</span>
 177       <span class="i">$SequenceCount</span>++<span class="sc">;</span>
 178     <span class="s">}</span>
 179     <span class="c"># Collect sequence data...</span>
 180     <span class="k">push</span> <span class="i">@</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">IDs</span>}}<span class="cm">,</span> <span class="i">$ID</span><span class="sc">;</span>
 181     <span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Description</span>}{<span class="i">$ID</span>} = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Description</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 182     <span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Sequence</span>}{<span class="i">$ID</span>} = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 183   <span class="s">}</span>
 184 
 185   <span class="k">return</span> \<span class="i">%SpecifiedSequenceDataMap</span><span class="sc">;</span>
 186 <span class="s">}</span>
 187 
 188 <span class="c"># Get specified sequence data...</span>
<a name="GetDataBySequenceNums-"></a> 189 <span class="k">sub </span><span class="m">GetDataBySequenceNums</span> <span class="s">{</span>
 190   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 191   <span class="k">my</span><span class="s">(</span><span class="i">$ID</span><span class="cm">,</span> <span class="i">$SequenceNum</span><span class="cm">,</span> <span class="i">$SequenceCount</span><span class="cm">,</span> <span class="i">%SpecifiedSequenceDataMap</span><span class="s">)</span><span class="sc">;</span>
 192 
 193   <span class="c"># Go over sequences and collect sequences for writing out a new sequence file...</span>
 194   <span class="i">%SpecifiedSequenceDataMap</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 195   <span class="i">@</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">IDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 196   <span class="i">%</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Description</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 197   <span class="i">%</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Sequence</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 198 
 199   <span class="i">$SequenceNum</span> = <span class="n">0</span><span class="sc">;</span>
 200   <span class="i">$SequenceCount</span> = <span class="n">0</span><span class="sc">;</span>
 201   <span class="j">ID:</span> <span class="k">for</span> <span class="i">$ID</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$SequenceDataRef</span>-&gt;{<span class="w">IDs</span>}}<span class="s">)</span> <span class="s">{</span>
 202     <span class="i">$SequenceNum</span>++<span class="sc">;</span>
 203     <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDsMap</span>}{<span class="i">$SequenceNum</span>}<span class="s">)</span> <span class="s">{</span>
 204       <span class="k">next</span> <span class="j">ID</span><span class="sc">;</span>
 205     <span class="s">}</span>
 206     <span class="k">if</span> <span class="s">(</span><span class="i">$SequenceCount</span> &gt;= <span class="k">scalar</span> <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}}<span class="s">)</span> <span class="s">{</span>
 207       <span class="k">last</span> <span class="j">ID</span><span class="sc">;</span>
 208     <span class="s">}</span>
 209     <span class="i">$SequenceCount</span>++<span class="sc">;</span>
 210 
 211     <span class="c"># Collect sequence data...</span>
 212     <span class="k">push</span> <span class="i">@</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">IDs</span>}}<span class="cm">,</span> <span class="i">$ID</span><span class="sc">;</span>
 213     <span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Description</span>}{<span class="i">$ID</span>} = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Description</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 214     <span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Sequence</span>}{<span class="i">$ID</span>} = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 215   <span class="s">}</span>
 216 
 217   <span class="k">return</span> \<span class="i">%SpecifiedSequenceDataMap</span><span class="sc">;</span>
 218 <span class="s">}</span>
 219 
 220 <span class="c"># Get specified sequence data...</span>
<a name="GetDataBySequenceNumRange-"></a> 221 <span class="k">sub </span><span class="m">GetDataBySequenceNumRange</span> <span class="s">{</span>
 222   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 223   <span class="k">my</span><span class="s">(</span><span class="i">$ID</span><span class="cm">,</span> <span class="i">$SequenceNum</span><span class="cm">,</span> <span class="i">$SequenceCount</span><span class="cm">,</span> <span class="i">%SpecifiedSequenceDataMap</span><span class="s">)</span><span class="sc">;</span>
 224 
 225   <span class="c"># Go over sequences and collect sequences for writing out a new sequence file...</span>
 226   <span class="i">%SpecifiedSequenceDataMap</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 227   <span class="i">@</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">IDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 228   <span class="i">%</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Description</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 229   <span class="i">%</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Sequence</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 230 
 231   <span class="i">$SequenceNum</span> = <span class="n">0</span><span class="sc">;</span>
 232   <span class="i">$SequenceCount</span> = <span class="n">0</span><span class="sc">;</span>
 233   <span class="j">ID:</span> <span class="k">for</span> <span class="i">$ID</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$SequenceDataRef</span>-&gt;{<span class="w">IDs</span>}}<span class="s">)</span> <span class="s">{</span>
 234     <span class="i">$SequenceNum</span>++<span class="sc">;</span>
 235 
 236     <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="i">$SequenceNum</span> &gt;= <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}[<span class="n">0</span>] &amp;&amp; <span class="i">$SequenceNum</span> &lt;= <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}[<span class="n">1</span>]<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 237       <span class="k">next</span> <span class="j">ID</span><span class="sc">;</span>
 238     <span class="s">}</span>
 239     <span class="k">if</span> <span class="s">(</span><span class="i">$SequenceNum</span> &gt; <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}[<span class="n">1</span>]<span class="s">)</span> <span class="s">{</span>
 240       <span class="k">last</span> <span class="j">ID</span><span class="sc">;</span>
 241     <span class="s">}</span>
 242     <span class="i">$SequenceCount</span>++<span class="sc">;</span>
 243     <span class="c"># Collect sequence data...</span>
 244     <span class="k">push</span> <span class="i">@</span>{<span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">IDs</span>}}<span class="cm">,</span> <span class="i">$ID</span><span class="sc">;</span>
 245     <span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Description</span>}{<span class="i">$ID</span>} = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Description</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 246     <span class="i">$SpecifiedSequenceDataMap</span>{<span class="w">Sequence</span>}{<span class="i">$ID</span>} = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 247   <span class="s">}</span>
 248 
 249   <span class="k">return</span> \<span class="i">%SpecifiedSequenceDataMap</span><span class="sc">;</span>
 250 <span class="s">}</span>
 251 
 252 
 253 <span class="c"># Process option values...</span>
<a name="ProcessOptions-"></a> 254 <span class="k">sub </span><span class="m">ProcessOptions</span> <span class="s">{</span>
 255   <span class="i">%OptionsInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 256 
 257   <span class="c"># Miscellaneous options...</span>
 258   <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>} = <span class="s">(</span><span class="i">$Options</span>{<span class="w">ignoregaps</span>} =~ <span class="q">/Yes/i</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 259 
 260   <span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} = <span class="i">$Options</span>{<span class="w">mode</span>}<span class="sc">;</span>
 261   <span class="i">$OptionsInfo</span>{<span class="w">MatchExactSequenceIDs</span>} = <span class="i">$Options</span>{<span class="w">sequenceidmatch</span>} =~ <span class="q">/Exact/i</span> ? <span class="n">1</span> <span class="co">:</span><span class="n">0</span><span class="sc">;</span>
 262 
 263   <span class="c"># Check specified sequences value...</span>
 264   <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequences</span>} = <span class="i">$Options</span>{<span class="w">sequences</span>}<span class="sc">;</span>
 265   <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 266   <span class="i">%</span>{<span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDsMap</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 267 
 268   <span class="k">my</span><span class="s">(</span><span class="i">@SpecifiedSequenceIDs</span><span class="s">)</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 269   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} =~ <span class="q">/^SequenceID$/i</span><span class="s">)</span> <span class="s">{</span>
 270     <span class="k">if</span> <span class="s">(</span>!<span class="i">$Options</span>{<span class="w">sequences</span>}<span class="s">)</span> <span class="s">{</span>
 271       <span class="k">die</span> <span class="q">&quot;Error: No value specified for option \&quot;-s, --Sequences\&quot; during \&quot;SequenceID\&quot; of \&quot;-m, --mode\&quot; option\n&quot;</span><span class="sc">;</span>
 272     <span class="s">}</span>
 273     <span class="i">@SpecifiedSequenceIDs</span> = <span class="k">split</span> <span class="q">/\,/</span><span class="cm">,</span> <span class="i">$Options</span>{<span class="w">sequences</span>}<span class="sc">;</span>
 274   <span class="s">}</span>
 275   <span class="k">elsif</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} =~ <span class="q">/^SequenceNum$/i</span><span class="s">)</span> <span class="s">{</span>
 276     <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">sequences</span>}<span class="s">)</span> <span class="s">{</span>
 277       <span class="i">@SpecifiedSequenceIDs</span> = <span class="k">split</span> <span class="q">/\,/</span><span class="cm">,</span> <span class="i">$Options</span>{<span class="w">sequences</span>}<span class="sc">;</span>
 278       <span class="k">my</span><span class="s">(</span><span class="i">$SequenceNum</span><span class="s">)</span><span class="sc">;</span>
 279       <span class="k">for</span> <span class="i">$SequenceNum</span> <span class="s">(</span><span class="i">@SpecifiedSequenceIDs</span><span class="s">)</span> <span class="s">{</span>
 280         <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$SequenceNum</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 281           <span class="k">die</span> <span class="q">&quot;Error: The value specified, $SequenceNum, in \&quot;$Options{sequences}\&quot; for option \&quot;-s, --Sequences\&quot; is not valid: Valid values: &gt; 0\n&quot;</span><span class="sc">;</span>
 282         <span class="s">}</span>
 283       <span class="s">}</span>
 284     <span class="s">}</span>
 285     <span class="k">else</span> <span class="s">{</span>
 286       <span class="k">push</span> <span class="i">@SpecifiedSequenceIDs</span><span class="cm">,</span> <span class="q">&quot;1&quot;</span><span class="sc">;</span>
 287     <span class="s">}</span>
 288   <span class="s">}</span>
 289   <span class="k">elsif</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} =~ <span class="q">/^SequenceNumRange$/i</span><span class="s">)</span> <span class="s">{</span>
 290     <span class="k">if</span> <span class="s">(</span>!<span class="i">$Options</span>{<span class="w">sequences</span>}<span class="s">)</span> <span class="s">{</span>
 291       <span class="k">die</span> <span class="q">&quot;Error: No value specified for option \&quot;-s, --Sequences\&quot; during \&quot;SequenceNumRange\&quot; of \&quot;-m, --mode\&quot; option\n&quot;</span><span class="sc">;</span>
 292     <span class="s">}</span>
 293     <span class="i">@SpecifiedSequenceIDs</span> = <span class="k">split</span> <span class="q">/\,/</span><span class="cm">,</span> <span class="i">$Options</span>{<span class="w">sequences</span>}<span class="sc">;</span>
 294     <span class="k">if</span> <span class="s">(</span><span class="i">@SpecifiedSequenceIDs</span> != <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
 295       <span class="k">die</span> <span class="q">&quot;Error: The number of values&quot;</span><span class="cm">,</span> <span class="k">scalar</span> <span class="i">@SpecifiedSequenceIDs</span><span class="cm">,</span> <span class="q">&quot; specified, $Options{sequences}, for option \&quot;-s, --Sequences\&quot; are not valid. Number of values must be 2 to indicate starting and ending sequence number.\n&quot;</span><span class="sc">;</span>
 296     <span class="s">}</span>
 297     <span class="k">my</span><span class="s">(</span><span class="i">$SequenceNum</span><span class="s">)</span><span class="sc">;</span>
 298     <span class="k">for</span> <span class="i">$SequenceNum</span> <span class="s">(</span><span class="i">@SpecifiedSequenceIDs</span><span class="s">)</span> <span class="s">{</span>
 299       <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$SequenceNum</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 300         <span class="k">die</span> <span class="q">&quot;Error: The value specified, $SequenceNum, in \&quot;$Options{sequences}\&quot; for option \&quot;-s, --Sequences\&quot; is not valid: Valid values: &gt; 0\n&quot;</span><span class="sc">;</span>
 301       <span class="s">}</span>
 302     <span class="s">}</span>
 303     <span class="k">if</span> <span class="s">(</span><span class="i">$SpecifiedSequenceIDs</span>[<span class="n">0</span>] &gt; <span class="i">$SpecifiedSequenceIDs</span>[<span class="n">1</span>]<span class="s">)</span> <span class="s">{</span>
 304       <span class="k">die</span> <span class="q">&quot;Error: The value specified \&quot;$Options{sequences}\&quot; for option \&quot;-s, --Sequences\&quot; are not valid: Starting sequence number $SpecifiedSequenceIDs[0] must be smaller than ending sequence number $SpecifiedSequenceIDs[1]\n&quot;</span><span class="sc">;</span>
 305     <span class="s">}</span>
 306   <span class="s">}</span>
 307   <span class="k">push</span> <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDs</span>}}<span class="cm">,</span> <span class="i">@SpecifiedSequenceIDs</span><span class="sc">;</span>
 308   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceID</span><span class="s">)</span><span class="sc">;</span>
 309   <span class="k">for</span> <span class="i">$SequenceID</span> <span class="s">(</span><span class="i">@SpecifiedSequenceIDs</span><span class="s">)</span> <span class="s">{</span>
 310     <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} =~ <span class="q">/^SequenceID$/i</span><span class="s">)</span> <span class="s">{</span>
 311       <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDsMap</span>}{<span class="k">lc</span><span class="s">(</span><span class="i">$SequenceID</span><span class="s">)</span>} = <span class="i">$SequenceID</span><span class="sc">;</span>
 312     <span class="s">}</span>
 313     <span class="k">else</span> <span class="s">{</span>
 314       <span class="i">$OptionsInfo</span>{<span class="w">SpecifiedSequenceIDsMap</span>}{<span class="i">$SequenceID</span>} = <span class="i">$SequenceID</span><span class="sc">;</span>
 315     <span class="s">}</span>
 316   <span class="s">}</span>
 317 
 318   <span class="i">$OptionsInfo</span>{<span class="w">MaxSequenceLength</span>} = <span class="i">$Options</span>{<span class="w">sequencelength</span>}<span class="sc">;</span>
 319   <span class="i">$OptionsInfo</span>{<span class="w">OverwriteFiles</span>} = <span class="i">$Options</span>{<span class="w">overwrite</span>} ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 320   <span class="i">$OptionsInfo</span>{<span class="w">OutFileRoot</span>} = <span class="i">$Options</span>{<span class="w">root</span>} ? <span class="i">$Options</span>{<span class="w">root</span>} <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 321 <span class="s">}</span>
 322 
 323 <span class="c"># Retrieve information about sequence files...</span>
<a name="RetrieveSequenceFilesInfo-"></a> 324 <span class="k">sub </span><span class="m">RetrieveSequenceFilesInfo</span> <span class="s">{</span>
 325   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$SequenceFile</span><span class="cm">,</span> <span class="i">$FileSupported</span><span class="cm">,</span> <span class="i">$FileFormat</span><span class="cm">,</span> <span class="i">$SequenceCount</span><span class="cm">,</span> <span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="cm">,</span> <span class="i">$OutFileRoot</span><span class="cm">,</span> <span class="i">$OutFileExt</span><span class="cm">,</span> <span class="i">$OutFileMode</span><span class="cm">,</span> <span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 326 
 327   <span class="i">%SequenceFilesInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 328   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">FilesOkay</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 329   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">OutFileRoot</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 330   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">OutFileExt</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 331   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">OutFile</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 332   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">Format</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 333   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">SequenceCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 334 
 335   <span class="j">FILELIST:</span> <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#SequenceFilesList</span><span class="s">)</span> <span class="s">{</span>
 336     <span class="i">$SequenceFile</span> = <span class="i">$SequenceFilesList</span>[<span class="i">$Index</span>]<span class="sc">;</span>
 337     <span class="i">$SequenceFilesInfo</span>{<span class="w">FilesOkay</span>}[<span class="i">$Index</span>] = <span class="n">0</span><span class="sc">;</span>
 338     <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFileRoot</span>}[<span class="i">$Index</span>] = <span class="q">&#39;&#39;</span><span class="sc">;</span>
 339     <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFileExt</span>}[<span class="i">$Index</span>] = <span class="q">&#39;&#39;</span><span class="sc">;</span>
 340     <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFile</span>}[<span class="i">$Index</span>] = <span class="q">&#39;&#39;</span><span class="sc">;</span>
 341     <span class="i">$SequenceFilesInfo</span>{<span class="w">Format</span>}[<span class="i">$Index</span>] = <span class="q">&#39;NotSupported&#39;</span><span class="sc">;</span>
 342     <span class="i">$SequenceFilesInfo</span>{<span class="w">SequenceCount</span>}[<span class="i">$Index</span>] = <span class="n">0</span><span class="sc">;</span>
 343 
 344     <span class="k">if</span> <span class="s">(</span>! <span class="k">open</span> <span class="w">SEQUENCEFILE</span><span class="cm">,</span> <span class="q">&quot;$SequenceFile&quot;</span><span class="s">)</span> <span class="s">{</span>
 345       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $SequenceFile: Couldn&#39;t open it: $! \n&quot;</span><span class="sc">;</span>
 346       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 347     <span class="s">}</span>
 348     <span class="k">close</span> <span class="w">SEQUENCEFILE</span><span class="sc">;</span>
 349 
 350     <span class="s">(</span><span class="i">$FileSupported</span><span class="cm">,</span> <span class="i">$FileFormat</span><span class="s">)</span> = <span class="i">IsSupportedSequenceFile</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
 351     <span class="k">if</span> <span class="s">(</span>!<span class="i">$FileSupported</span><span class="s">)</span> <span class="s">{</span>
 352       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $SequenceFile: Sequence file format is not supported.\n&quot;</span><span class="sc">;</span>
 353       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 354     <span class="s">}</span>
 355     <span class="i">$SequenceDataRef</span> = <span class="i">ReadSequenceFile</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
 356 
 357     <span class="i">$SequenceCount</span> = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Count</span>}<span class="sc">;</span>
 358     <span class="k">if</span> <span class="s">(</span>!<span class="i">$SequenceCount</span><span class="s">)</span> <span class="s">{</span>
 359       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $SequenceFile: Sequence data is missing.\n&quot;</span><span class="sc">;</span>
 360       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 361     <span class="s">}</span>
 362 
 363     <span class="c"># Setup output file names...</span>
 364     <span class="i">$FileDir</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span> <span class="i">$FileName</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span> <span class="i">$FileExt</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
 365     <span class="s">(</span><span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
 366     <span class="i">$OutFileExt</span> = <span class="q">&#39;fasta&#39;</span><span class="sc">;</span>
 367     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">OutFileRoot</span>} &amp;&amp; <span class="s">(</span><span class="i">@SequenceFilesList</span> == <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 368       <span class="k">my</span> <span class="s">(</span><span class="i">$RootFileDir</span><span class="cm">,</span> <span class="i">$RootFileName</span><span class="cm">,</span> <span class="i">$RootFileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">OutFileRoot</span>}<span class="s">)</span><span class="sc">;</span>
 369       <span class="k">if</span> <span class="s">(</span><span class="i">$RootFileName</span> &amp;&amp; <span class="i">$RootFileExt</span><span class="s">)</span> <span class="s">{</span>
 370         <span class="i">$FileName</span> = <span class="i">$RootFileName</span><span class="sc">;</span>
 371       <span class="s">}</span>
 372       <span class="k">else</span> <span class="s">{</span>
 373         <span class="i">$FileName</span> = <span class="i">$OptionsInfo</span>{<span class="w">OutFileRoot</span>}<span class="sc">;</span>
 374       <span class="s">}</span>
 375       <span class="i">$OutFileRoot</span> = <span class="i">$FileName</span><span class="sc">;</span>
 376     <span class="s">}</span>
 377     <span class="k">else</span> <span class="s">{</span>
 378       <span class="i">$OutFileRoot</span> = <span class="i">$FileName</span><span class="sc">;</span>
 379     <span class="s">}</span>
 380     <span class="j">MODE:</span> <span class="s">{</span>
 381         <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^SequenceID$/i</span><span class="s">)</span> <span class="s">{</span> <span class="i">$OutFileMode</span> = <span class="q">&#39;SequenceID&#39;</span><span class="sc">;</span> <span class="k">last</span> <span class="j">MODE</span><span class="sc">;</span><span class="s">}</span>
 382         <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^SequenceNum$/i</span><span class="s">)</span> <span class="s">{</span> <span class="i">$OutFileMode</span> = <span class="q">&#39;SequenceNum&#39;</span><span class="sc">;</span> <span class="k">last</span> <span class="j">MODE</span><span class="sc">;</span><span class="s">}</span>
 383         <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^SequenceNumRange$/i</span><span class="s">)</span> <span class="s">{</span> <span class="i">$OutFileMode</span> = <span class="q">&#39;SequenceNumRange&#39;</span><span class="sc">;</span> <span class="k">last</span> <span class="j">MODE</span><span class="sc">;</span><span class="s">}</span>
 384         <span class="i">$OutFileMode</span> = <span class="q">&#39;&#39;</span><span class="sc">;</span>
 385     <span class="s">}</span>
 386     <span class="k">if</span> <span class="s">(</span>!<span class="i">$OptionsInfo</span>{<span class="w">OverwriteFiles</span>}<span class="s">)</span> <span class="s">{</span>
 387       <span class="k">if</span> <span class="s">(</span><span class="k">-e</span> <span class="q">&quot;${OutFileRoot}${OutFileMode}.${OutFileExt}&quot;</span><span class="s">)</span> <span class="s">{</span>
 388         <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $SequenceFile: The file ${OutFileRoot}${OutFileMode}.${OutFileExt} already exists\n&quot;</span><span class="sc">;</span>
 389         <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 390       <span class="s">}</span>
 391     <span class="s">}</span>
 392 
 393     <span class="i">$SequenceFilesInfo</span>{<span class="w">FilesOkay</span>}[<span class="i">$Index</span>] = <span class="n">1</span><span class="sc">;</span>
 394     <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFileRoot</span>}[<span class="i">$Index</span>] = <span class="i">$OutFileRoot</span><span class="sc">;</span>
 395     <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFileExt</span>}[<span class="i">$Index</span>] = <span class="i">$OutFileExt</span><span class="sc">;</span>
 396     <span class="i">$SequenceFilesInfo</span>{<span class="w">OutFile</span>}[<span class="i">$Index</span>] = <span class="q">&quot;${OutFileRoot}${OutFileMode}.${OutFileExt}&quot;</span><span class="sc">;</span>
 397 
 398     <span class="i">$SequenceFilesInfo</span>{<span class="w">Format</span>}[<span class="i">$Index</span>] = <span class="i">$FileFormat</span><span class="sc">;</span>
 399     <span class="i">$SequenceFilesInfo</span>{<span class="w">SequenceCount</span>}[<span class="i">$Index</span>] = <span class="i">$SequenceCount</span><span class="sc">;</span>
 400   <span class="s">}</span>
 401 <span class="s">}</span>
 402 
 403 <span class="c"># Setup script usage  and retrieve command line arguments specified using various options...</span>
<a name="SetupScriptUsage-"></a> 404 <span class="k">sub </span><span class="m">SetupScriptUsage</span> <span class="s">{</span>
 405 
 406   <span class="c"># Retrieve all the options...</span>
 407   <span class="i">%Options</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 408   <span class="i">$Options</span>{<span class="w">ignoregaps</span>} = <span class="q">&#39;Yes&#39;</span><span class="sc">;</span>
 409   <span class="i">$Options</span>{<span class="w">mode</span>} = <span class="q">&#39;SequenceNum&#39;</span><span class="sc">;</span>
 410   <span class="i">$Options</span>{<span class="w">sequenceidmatch</span>} = <span class="q">&#39;Relaxed&#39;</span><span class="sc">;</span>
 411   <span class="i">$Options</span>{<span class="w">sequencelength</span>} = <span class="n">80</span><span class="sc">;</span>
 412 
 413   <span class="k">if</span> <span class="s">(</span>!<span class="i">GetOptions</span><span class="s">(</span>\<span class="i">%Options</span><span class="cm">,</span> <span class="q">&quot;help|h&quot;</span><span class="cm">,</span> <span class="q">&quot;ignoregaps|i=s&quot;</span><span class="cm">,</span> <span class="q">&quot;mode|m=s&quot;</span><span class="cm">,</span> <span class="q">&quot;overwrite|o&quot;</span><span class="cm">,</span> <span class="q">&quot;root|r=s&quot;</span><span class="cm">,</span> <span class="q">&quot;sequences|s=s&quot;</span><span class="cm">,</span> <span class="q">&quot;sequenceidmatch=s&quot;</span><span class="cm">,</span> <span class="q">&quot;sequencelength=i&quot;</span><span class="cm">,</span> <span class="q">&quot;workingdir|w=s&quot;</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 414     <span class="k">die</span> <span class="q">&quot;\nTo get a list of valid options and their values, use \&quot;$ScriptName -h\&quot; or\n\&quot;perl -S $ScriptName -h\&quot; command and try again...\n&quot;</span><span class="sc">;</span>
 415   <span class="s">}</span>
 416   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span>
 417     <span class="k">if</span> <span class="s">(</span>! <span class="k">-d</span> <span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span>
 418       <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{workingdir}, for option \&quot;-w --workingdir\&quot; is not a directory name.\n&quot;</span><span class="sc">;</span>
 419     <span class="s">}</span>
 420     <span class="k">chdir</span> <span class="i">$Options</span>{<span class="w">workingdir</span>} <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Error: Couldn&#39;t chdir $Options{workingdir}: $! \n&quot;</span><span class="sc">;</span>
 421   <span class="s">}</span>
 422   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">ignoregaps</span>} !~ <span class="q">/^(yes|no)$/i</span><span class="s">)</span> <span class="s">{</span>
 423     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{ignoregaps}, for option \&quot;-q --quote\&quot; is not valid. Allowed values: yes or no\n&quot;</span><span class="sc">;</span>
 424   <span class="s">}</span>
 425   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} !~ <span class="q">/^(SequenceID|SequenceNum|SequenceNumRange)$/i</span><span class="s">)</span> <span class="s">{</span>
 426     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{mode}, for option \&quot;-m --mode\&quot; is not valid. Allowed values: SequenceID, SequenceNum, or SequenceNumRange\n&quot;</span><span class="sc">;</span>
 427   <span class="s">}</span>
 428   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">sequenceidmatch</span>} !~ <span class="q">/^(Exact|Relaxed)$/i</span><span class="s">)</span> <span class="s">{</span>
 429     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{sequenceidmatch}, for option \&quot;--SequenceIDMatch\&quot; is not valid. Allowed values: Exact or Relaxed\n&quot;</span><span class="sc">;</span>
 430   <span class="s">}</span>
 431   <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">sequencelength</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 432     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{sequencelength}, for option \&quot;--SequenceLength\&quot; is not valid. Allowed values: &gt;0\n&quot;</span><span class="sc">;</span>
 433   <span class="s">}</span>
 434 <span class="s">}</span>
 435 
<a name="EOF-"></a></pre>
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