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   1 #!/usr/bin/perl -w
   2 <span class="c">#</span>
   3 <span class="c"># $RCSfile: InfoSequenceFiles.pl,v $</span>
   4 <span class="c"># $Date: 2015/02/28 20:46:20 $</span>
   5 <span class="c"># $Revision: 1.29 $</span>
   6 <span class="c">#</span>
   7 <span class="c"># Author: Manish Sud &lt;msud@san.rr.com&gt;</span>
   8 <span class="c">#</span>
   9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
  10 <span class="c">#</span>
  11 <span class="c"># This file is part of MayaChemTools.</span>
  12 <span class="c">#</span>
  13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
  14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
  15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
  16 <span class="c"># later version.</span>
  17 <span class="c">#</span>
  18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
  19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
  20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span>
  21 <span class="c"># details.</span>
  22 <span class="c">#</span>
  23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
  24 <span class="c"># along with MayaChemTools; if not, see &lt;http://www.gnu.org/licenses/&gt; or</span>
  25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
  26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
  27 <span class="c">#</span>
  28 
  29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
  30 <span class="k">use</span> <span class="w">FindBin</span><span class="sc">;</span> <span class="k">use</span> <span class="w">lib</span> <span class="q">&quot;$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 <span class="k">use</span> <span class="w">StatisticsUtil</span><span class="sc">;</span>
  39 
  40 <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>
  41 
  42 <span class="c"># Autoflush STDOUT</span>
  43 <span class="i">$|</span> = <span class="n">1</span><span class="sc">;</span>
  44 
  45 <span class="c"># Starting message...</span>
  46 <span class="i">$ScriptName</span> = <span class="i">basename</span><span class="s">(</span><span class="i">$0</span><span class="s">)</span><span class="sc">;</span>
  47 <span class="k">print</span> <span class="q">&quot;\n$ScriptName: Starting...\n\n&quot;</span><span class="sc">;</span>
  48 <span class="i">$StartTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span>
  49 
  50 <span class="c"># Get the options and setup script...</span>
  51 <span class="i">SetupScriptUsage</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  52 <span class="k">if</span> <span class="s">(</span><span class="i">$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>
  53   <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>
  54 <span class="s">}</span>
  55 
  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="k">print</span> <span class="q">&quot;Processing options...\n&quot;</span><span class="sc">;</span>
  60 <span class="k">my</span><span class="s">(</span><span class="i">%OptionsInfo</span><span class="s">)</span><span class="sc">;</span>
  61 <span class="i">ProcessOptions</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  62 
  63 <span class="k">print</span> <span class="q">&quot;Checking input sequence file(s)...\n&quot;</span><span class="sc">;</span>
  64 <span class="k">my</span><span class="s">(</span><span class="i">%SequenceFilesInfo</span><span class="s">)</span><span class="sc">;</span>
  65 <span class="i">RetrieveSequenceFilesInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  66 
  67 <span class="k">my</span><span class="s">(</span><span class="i">$FileIndex</span><span class="s">)</span><span class="sc">;</span>
  68 <span class="k">if</span> <span class="s">(</span><span class="i">@SequenceFilesList</span> &gt; <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
  69   <span class="k">print</span> <span class="q">&quot;\nProcessing sequence files...\n&quot;</span><span class="sc">;</span>
  70 <span class="s">}</span>
  71 <span class="k">for</span> <span class="i">$FileIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#SequenceFilesList</span><span class="s">)</span> <span class="s">{</span>
  72   <span class="k">if</span> <span class="s">(</span><span class="i">$SequenceFilesInfo</span>{<span class="w">FileOkay</span>}[<span class="i">$FileIndex</span>]<span class="s">)</span> <span class="s">{</span>
  73     <span class="k">print</span> <span class="q">&quot;\nProcessing file $SequenceFilesList[$FileIndex]...\n&quot;</span><span class="sc">;</span>
  74     <span class="i">ListSequenceFileInfo</span><span class="s">(</span><span class="i">$FileIndex</span><span class="s">)</span><span class="sc">;</span>
  75   <span class="s">}</span>
  76 <span class="s">}</span>
  77 <span class="i">ListTotalSizeOfFiles</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  78 
  79 <span class="k">print</span> <span class="q">&quot;\n$ScriptName:Done...\n\n&quot;</span><span class="sc">;</span>
  80 
  81 <span class="i">$EndTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span>
  82 <span class="i">$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>
  83 <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">$TotalTime</span><span class="s">)</span><span class="cm">,</span> <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
  84 
  85 <span class="c">###############################################################################</span>
  86 
  87 <span class="c"># List appropriate information...</span>
<a name="ListSequenceFileInfo-"></a>  88 <span class="k">sub </span><span class="m">ListSequenceFileInfo</span> <span class="s">{</span>
  89   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
  90   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="cm">,</span> <span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
  91 
  92   <span class="i">$SequenceFile</span> = <span class="i">$SequenceFilesList</span>[<span class="i">$Index</span>]<span class="sc">;</span>
  93 
  94   <span class="i">$SequenceDataRef</span> = <span class="i">ReadSequenceFile</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
  95 
  96   <span class="k">my</span><span class="s">(</span><span class="i">$SequencesCount</span><span class="s">)</span> = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Count</span>}<span class="sc">;</span>
  97   <span class="k">print</span> <span class="q">&quot;\nNumber of sequences: $SequencesCount\n&quot;</span><span class="sc">;</span>
  98 
  99   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">ListShortestSequence</span>} &amp;&amp; <span class="s">(</span><span class="i">$SequencesCount</span> &gt; <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 100     <span class="k">my</span><span class="s">(</span><span class="i">$ShortestSeqID</span><span class="cm">,</span> <span class="i">$ShortestSeq</span><span class="cm">,</span> <span class="i">$ShortestSeqLen</span><span class="cm">,</span> <span class="i">$Description</span><span class="s">)</span> = <span class="i">GetShortestSequence</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="cm">,</span> <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>}<span class="s">)</span><span class="sc">;</span>
 101     <span class="k">print</span> <span class="q">&quot;\nShortest sequence information:\nID: $ShortestSeqID; Length:$ShortestSeqLen\n&quot;</span><span class="sc">;</span>
 102     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
 103       <span class="k">print</span> <span class="q">&quot;Description: $Description\n&quot;</span><span class="sc">;</span>
 104     <span class="s">}</span>
 105     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">3</span><span class="s">)</span> <span class="s">{</span>
 106       <span class="k">print</span> <span class="q">&quot;Sequence: $ShortestSeq\n&quot;</span><span class="sc">;</span>
 107     <span class="s">}</span>
 108   <span class="s">}</span>
 109   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">ListLongestSequence</span>} &amp;&amp; <span class="s">(</span><span class="i">$SequencesCount</span> &gt; <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 110     <span class="k">my</span><span class="s">(</span><span class="i">$LongestSeqID</span><span class="cm">,</span> <span class="i">$LongestSeq</span><span class="cm">,</span> <span class="i">$LongestSeqLen</span><span class="cm">,</span> <span class="i">$Description</span><span class="s">)</span> = <span class="i">GetLongestSequence</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="cm">,</span> <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>}<span class="s">)</span><span class="sc">;</span>
 111     <span class="k">print</span> <span class="q">&quot;\nLongest sequence information:\nID: $LongestSeqID; Length: $LongestSeqLen\n&quot;</span><span class="sc">;</span>
 112     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
 113       <span class="k">print</span> <span class="q">&quot;Description: $Description\n&quot;</span><span class="sc">;</span>
 114     <span class="s">}</span>
 115     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">3</span><span class="s">)</span> <span class="s">{</span>
 116       <span class="k">print</span> <span class="q">&quot;Sequence: $LongestSeq\n&quot;</span><span class="sc">;</span>
 117     <span class="s">}</span>
 118   <span class="s">}</span>
 119   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">FrequencyAnalysis</span>} &amp;&amp; <span class="s">(</span><span class="i">$SequencesCount</span> &gt; <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 120     <span class="i">PerformLengthFrequencyAnalysis</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 121   <span class="s">}</span>
 122   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">ListSequenceLengths</span>}<span class="s">)</span> <span class="s">{</span>
 123     <span class="i">ListSequenceLengths</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span><span class="sc">;</span>
 124   <span class="s">}</span>
 125 
 126   <span class="c"># File size and modification information...</span>
 127   <span class="k">print</span> <span class="q">&quot;\nFile size: &quot;</span><span class="cm">,</span> <span class="i">FormatFileSize</span><span class="s">(</span><span class="i">$SequenceFilesInfo</span>{<span class="w">FileSize</span>}[<span class="i">$Index</span>]<span class="s">)</span><span class="cm">,</span> <span class="q">&quot; \n&quot;</span><span class="sc">;</span>
 128   <span class="k">print</span> <span class="q">&quot;Last modified: &quot;</span><span class="cm">,</span> <span class="i">$SequenceFilesInfo</span>{<span class="w">FileLastModified</span>}[<span class="i">$Index</span>]<span class="cm">,</span> <span class="q">&quot; \n&quot;</span><span class="sc">;</span>
 129 <span class="s">}</span>
 130 
 131 <span class="c"># List information about sequence lengths...</span>
<a name="ListSequenceLengths-"></a> 132 <span class="k">sub </span><span class="m">ListSequenceLengths</span> <span class="s">{</span>
 133   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 134   <span class="k">my</span><span class="s">(</span><span class="i">$ID</span><span class="cm">,</span> <span class="i">$SeqLen</span><span class="cm">,</span> <span class="i">$Sequence</span><span class="cm">,</span> <span class="i">$Description</span><span class="s">)</span><span class="sc">;</span>
 135 
 136   <span class="k">print</span> <span class="q">&quot;\nSequence lengths information:\n&quot;</span><span class="sc">;</span>
 137   <span class="k">for</span> <span class="i">$ID</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$SequenceDataRef</span>-&gt;{<span class="w">IDs</span>}}<span class="s">)</span> <span class="s">{</span>
 138     <span class="i">$Sequence</span> = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 139     <span class="i">$Description</span> = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Description</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 140     <span class="i">$SeqLen</span> = <span class="i">GetSequenceLength</span><span class="s">(</span><span class="i">$Sequence</span><span class="cm">,</span> <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>}<span class="s">)</span><span class="sc">;</span>
 141     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>}<span class="s">)</span> <span class="s">{</span>
 142       <span class="i">$Sequence</span> = <span class="i">RemoveSequenceGaps</span><span class="s">(</span><span class="i">$Sequence</span><span class="s">)</span><span class="sc">;</span>
 143     <span class="s">}</span>
 144     <span class="k">print</span> <span class="q">&quot;ID: $ID; Length:$SeqLen\n&quot;</span><span class="sc">;</span>
 145     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
 146       <span class="k">print</span> <span class="q">&quot;Description: $Description\n&quot;</span><span class="sc">;</span>
 147     <span class="s">}</span>
 148     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">3</span><span class="s">)</span> <span class="s">{</span>
 149       <span class="k">print</span> <span class="q">&quot;Sequence: $Sequence\n&quot;</span><span class="sc">;</span>
 150     <span class="s">}</span>
 151     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} &gt;= <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
 152       <span class="k">print</span> <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
 153     <span class="s">}</span>
 154   <span class="s">}</span>
 155 <span class="s">}</span>
 156 
 157 <span class="c"># Total size of all the fiels...</span>
<a name="ListTotalSizeOfFiles-"></a> 158 <span class="k">sub </span><span class="m">ListTotalSizeOfFiles</span> <span class="s">{</span>
 159   <span class="k">my</span><span class="s">(</span><span class="i">$FileOkayCount</span><span class="cm">,</span> <span class="i">$TotalSize</span><span class="cm">,</span> <span class="i">$Index</span><span class="s">)</span><span class="sc">;</span>
 160 
 161   <span class="i">$FileOkayCount</span> = <span class="n">0</span><span class="sc">;</span>
 162   <span class="i">$TotalSize</span> = <span class="n">0</span><span class="sc">;</span>
 163 
 164   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#SequenceFilesList</span><span class="s">)</span> <span class="s">{</span>
 165     <span class="k">if</span> <span class="s">(</span><span class="i">$SequenceFilesInfo</span>{<span class="w">FileOkay</span>}[<span class="i">$Index</span>]<span class="s">)</span> <span class="s">{</span>
 166       <span class="i">$FileOkayCount</span>++<span class="sc">;</span>
 167       <span class="i">$TotalSize</span> += <span class="i">$SequenceFilesInfo</span>{<span class="w">FileSize</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 168     <span class="s">}</span>
 169   <span class="s">}</span>
 170   <span class="k">if</span> <span class="s">(</span><span class="i">$FileOkayCount</span> &gt; <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
 171     <span class="k">print</span> <span class="q">&quot;\nTotal size of $FileOkayCount files: &quot;</span><span class="cm">,</span> <span class="i">FormatFileSize</span><span class="s">(</span><span class="i">$TotalSize</span><span class="s">)</span><span class="cm">,</span> <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
 172   <span class="s">}</span>
 173 <span class="s">}</span>
 174 
 175 
 176 <span class="c"># Perform frequency analysis of sequence lengths</span>
<a name="PerformLengthFrequencyAnalysis-"></a> 177 <span class="k">sub </span><span class="m">PerformLengthFrequencyAnalysis</span> <span class="s">{</span>
 178   <span class="k">my</span><span class="s">(</span><span class="i">$SequenceDataRef</span><span class="cm">,</span> <span class="i">$SequenceLengthsRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 179   <span class="k">my</span> <span class="s">(</span><span class="i">$ID</span><span class="cm">,</span> <span class="i">$SeqLen</span><span class="cm">,</span> <span class="i">$Sequence</span><span class="cm">,</span> <span class="i">$SequenceLenBin</span><span class="cm">,</span> <span class="i">$LenBin</span><span class="cm">,</span> <span class="i">$SequenceLenCount</span><span class="cm">,</span> <span class="i">@SequenceLengths</span><span class="cm">,</span> <span class="i">%SequenceLenFrequency</span><span class="s">)</span><span class="sc">;</span>
 180 
 181   <span class="i">@SequenceLengths</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 182   <span class="i">%SequenceLenFrequency</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 183   <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>
 184     <span class="i">$Sequence</span> = <span class="i">$SequenceDataRef</span>-&gt;{<span class="w">Sequence</span>}{<span class="i">$ID</span>}<span class="sc">;</span>
 185     <span class="i">$SeqLen</span> = <span class="i">GetSequenceLength</span><span class="s">(</span><span class="i">$Sequence</span><span class="cm">,</span> <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>}<span class="s">)</span><span class="sc">;</span>
 186     <span class="k">push</span> <span class="i">@SequenceLengths</span><span class="cm">,</span> <span class="i">$SeqLen</span><span class="sc">;</span>
 187   <span class="s">}</span>
 188   <span class="k">if</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">BinRange</span>}}<span class="s">)</span> <span class="s">{</span>
 189     <span class="i">%SequenceLenFrequency</span> = <span class="i">Frequency</span><span class="s">(</span>\<span class="i">@SequenceLengths</span><span class="cm">,</span> \<span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">BinRange</span>}}<span class="s">)</span><span class="sc">;</span>
 190   <span class="s">}</span>
 191   <span class="k">else</span> <span class="s">{</span>
 192     <span class="i">%SequenceLenFrequency</span> = <span class="i">Frequency</span><span class="s">(</span>\<span class="i">@SequenceLengths</span><span class="cm">,</span> <span class="i">$OptionsInfo</span>{<span class="w">NumOfBins</span>}<span class="s">)</span><span class="sc">;</span>
 193   <span class="s">}</span>
 194   <span class="k">print</span> <span class="q">&quot;\nDistribution of sequence lengths (LengthBin =&gt; Count):\n&quot;</span><span class="sc">;</span>
 195   <span class="k">for</span> <span class="i">$SequenceLenBin</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> &lt;=&gt; <span class="i">$b</span><span class="s">}</span> <span class="k">keys</span> <span class="i">%SequenceLenFrequency</span><span class="s">)</span> <span class="s">{</span>
 196     <span class="i">$SequenceLenCount</span> = <span class="i">$SequenceLenFrequency</span>{<span class="i">$SequenceLenBin</span>}<span class="sc">;</span>
 197     <span class="i">$LenBin</span> = <span class="k">sprintf</span><span class="s">(</span><span class="q">&quot;%.1f&quot;</span><span class="cm">,</span> <span class="i">$SequenceLenBin</span><span class="s">)</span> + <span class="n">0</span><span class="sc">;</span>
 198     <span class="k">print</span> <span class="q">&quot;$LenBin =&gt; $SequenceLenCount; &quot;</span><span class="sc">;</span>
 199   <span class="s">}</span>
 200   <span class="k">print</span> <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
 201 <span class="s">}</span>
 202 
 203 <span class="c"># Retrieve information about sequence files...</span>
<a name="RetrieveSequenceFilesInfo-"></a> 204 <span class="k">sub </span><span class="m">RetrieveSequenceFilesInfo</span> <span class="s">{</span>
 205   <span class="k">my</span><span class="s">(</span><span class="i">$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">$FileFormat</span><span class="cm">,</span> <span class="i">$ModifiedTimeString</span><span class="cm">,</span> <span class="i">$ModifiedDateString</span><span class="s">)</span><span class="sc">;</span>
 206 
 207   <span class="i">%SequenceFilesInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 208   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">FileOkay</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 209   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">FileFormat</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 210   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">FileSize</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 211   <span class="i">@</span>{<span class="i">$SequenceFilesInfo</span>{<span class="w">FileLastModified</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 212 
 213   <span class="j">FILELIST:</span> <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#SequenceFilesList</span><span class="s">)</span> <span class="s">{</span>
 214     <span class="i">$SequenceFile</span> = <span class="i">$SequenceFilesList</span>[<span class="i">$Index</span>]<span class="sc">;</span>
 215 
 216     <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>
 217       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $SequenceFile: Couldn&#39;t open it: $! \n&quot;</span><span class="sc">;</span>
 218       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 219     <span class="s">}</span>
 220     <span class="k">close</span> <span class="w">SEQUENCEFILE</span><span class="sc">;</span>
 221 
 222     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileOkay</span>}[<span class="i">$Index</span>] = <span class="n">0</span><span class="sc">;</span>
 223     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileFormat</span>}[<span class="i">$Index</span>] = <span class="q">&#39;NotSupported&#39;</span><span class="sc">;</span>
 224     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileSize</span>}[<span class="i">$Index</span>] = <span class="n">0</span><span class="sc">;</span>
 225     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileLastModified</span>}[<span class="i">$Index</span>] = <span class="q">&#39;&#39;</span><span class="sc">;</span>
 226 
 227     <span class="s">(</span><span class="i">$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>
 228     <span class="k">if</span> <span class="s">(</span>!<span class="i">$FileSupported</span><span class="s">)</span> <span class="s">{</span>
 229       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $SequenceFile: Sequence file format is not supported.\n&quot;</span><span class="sc">;</span>
 230       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 231     <span class="s">}</span>
 232 
 233     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileOkay</span>}[<span class="i">$Index</span>] = <span class="n">1</span><span class="sc">;</span>
 234     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileFormat</span>}[<span class="i">$Index</span>] = <span class="i">$FileFormat</span><span class="sc">;</span>
 235     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileSize</span>}[<span class="i">$Index</span>] = <span class="i">FileSize</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
 236 
 237     <span class="s">(</span><span class="i">$ModifiedTimeString</span><span class="cm">,</span> <span class="i">$ModifiedDateString</span><span class="s">)</span> = <span class="i">FormattedFileModificationTimeAndDate</span><span class="s">(</span><span class="i">$SequenceFile</span><span class="s">)</span><span class="sc">;</span>
 238     <span class="i">$SequenceFilesInfo</span>{<span class="w">FileLastModified</span>}[<span class="i">$Index</span>] = <span class="q">&quot;$ModifiedTimeString; $ModifiedDateString&quot;</span><span class="sc">;</span>
 239   <span class="s">}</span>
 240 <span class="s">}</span>
 241 
 242 <span class="c"># Process option values...</span>
<a name="ProcessOptions-"></a> 243 <span class="k">sub </span><span class="m">ProcessOptions</span> <span class="s">{</span>
 244 
 245   <span class="i">$OptionsInfo</span>{<span class="w">All</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">all</span>} ? <span class="i">$Options</span>{<span class="w">all</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 246 
 247   <span class="i">$OptionsInfo</span>{<span class="w">Count</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">count</span>} ? <span class="i">$Options</span>{<span class="w">count</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 248   <span class="i">$OptionsInfo</span>{<span class="w">DetailLevel</span>} = <span class="i">$Options</span>{<span class="w">detail</span>}<span class="sc">;</span>
 249   <span class="i">$OptionsInfo</span>{<span class="w">Frequency</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">frequency</span>} ? <span class="i">$Options</span>{<span class="w">frequency</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 250   <span class="i">$OptionsInfo</span>{<span class="w">FrequencyBins</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">frequencybins</span>} ? <span class="i">$Options</span>{<span class="w">frequencybins</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 251   <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">ignoregaps</span>} ? <span class="i">$Options</span>{<span class="w">ignoregaps</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 252   <span class="i">$OptionsInfo</span>{<span class="w">Longest</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">longest</span>} ? <span class="i">$Options</span>{<span class="w">longest</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 253   <span class="i">$OptionsInfo</span>{<span class="w">Shortest</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">shortest</span>} ? <span class="i">$Options</span>{<span class="w">shortest</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 254   <span class="i">$OptionsInfo</span>{<span class="w">SequenceLengths</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">sequencelengths</span>} ? <span class="i">$Options</span>{<span class="w">sequencelengths</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 255 
 256   <span class="i">$OptionsInfo</span>{<span class="w">FrequencyAnalysis</span>} = <span class="s">(</span><span class="i">$Options</span>{<span class="w">all</span>} || <span class="i">$Options</span>{<span class="w">frequency</span>}<span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 257   <span class="i">$OptionsInfo</span>{<span class="w">ListLongestSequence</span>} = <span class="s">(</span><span class="i">$Options</span>{<span class="w">all</span>} || <span class="i">$Options</span>{<span class="w">longest</span>}<span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 258   <span class="i">$OptionsInfo</span>{<span class="w">ListShortestSequence</span>} = <span class="s">(</span><span class="i">$Options</span>{<span class="w">all</span>} || <span class="i">$Options</span>{<span class="w">shortest</span>}<span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 259   <span class="i">$OptionsInfo</span>{<span class="w">ListSequenceLengths</span>} = <span class="s">(</span><span class="i">$Options</span>{<span class="w">all</span>} || <span class="i">$Options</span>{<span class="w">sequencelengths</span>}<span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 260   <span class="i">$OptionsInfo</span>{<span class="w">IgnoreGaps</span>} = <span class="s">(</span><span class="i">$Options</span>{<span class="w">ignoregaps</span>} =~ <span class="q">/Yes/i</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
 261 
 262   <span class="c"># Setup frequency bin values...</span>
 263   <span class="i">$OptionsInfo</span>{<span class="w">NumOfBins</span>} = <span class="n">4</span><span class="sc">;</span>
 264   <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">BinRange</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 265 
 266   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">frequencybins</span>} =~ <span class="q">/\,/</span><span class="s">)</span> <span class="s">{</span>
 267     <span class="k">my</span><span class="s">(</span><span class="i">$BinValue</span><span class="cm">,</span> <span class="i">@SpecifiedBinRange</span><span class="s">)</span><span class="sc">;</span>
 268     <span class="i">@SpecifiedBinRange</span> = <span class="k">split</span> <span class="q">/\,/</span><span class="cm">,</span>  <span class="i">$Options</span>{<span class="w">frequencybins</span>}<span class="sc">;</span>
 269     <span class="k">if</span> <span class="s">(</span><span class="i">@SpecifiedBinRange</span> &lt; <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
 270       <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{frequencybins}, for option \&quot;--frequencybins\&quot; is not valid: Must contain at least two values. \n&quot;</span><span class="sc">;</span>
 271     <span class="s">}</span>
 272     <span class="k">for</span> <span class="i">$BinValue</span> <span class="s">(</span><span class="i">@SpecifiedBinRange</span><span class="s">)</span> <span class="s">{</span>
 273       <span class="k">if</span> <span class="s">(</span>!<span class="i">IsNumerical</span><span class="s">(</span><span class="i">$BinValue</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 274         <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{frequencybins}, for option \&quot;--frequencybins\&quot; is not valid: Contains non numeric values. \n&quot;</span><span class="sc">;</span>
 275       <span class="s">}</span>
 276     <span class="s">}</span>
 277     <span class="k">my</span><span class="s">(</span><span class="i">$Index1</span><span class="cm">,</span> <span class="i">$Index2</span><span class="s">)</span><span class="sc">;</span>
 278     <span class="k">for</span> <span class="i">$Index1</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#SpecifiedBinRange</span><span class="s">)</span> <span class="s">{</span>
 279       <span class="k">for</span> <span class="i">$Index2</span> <span class="s">(</span><span class="s">(</span><span class="i">$Index1</span> + <span class="n">1</span><span class="s">)</span> .. <span class="i">$#SpecifiedBinRange</span><span class="s">)</span> <span class="s">{</span>
 280         <span class="k">if</span> <span class="s">(</span><span class="i">$SpecifiedBinRange</span>[<span class="i">$Index1</span>] &gt;= <span class="i">$SpecifiedBinRange</span>[<span class="i">$Index2</span>]<span class="s">)</span> <span class="s">{</span>
 281           <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{frequencybins}, for option \&quot;--frequencybins\&quot; is not valid: Must contain values in ascending order. \n&quot;</span><span class="sc">;</span>
 282         <span class="s">}</span>
 283       <span class="s">}</span>
 284     <span class="s">}</span>
 285     <span class="k">push</span> <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">BinRange</span>}}<span class="cm">,</span> <span class="i">@SpecifiedBinRange</span><span class="sc">;</span>
 286   <span class="s">}</span>
 287   <span class="k">else</span> <span class="s">{</span>
 288     <span class="i">$OptionsInfo</span>{<span class="w">NumOfBins</span>} = <span class="i">$Options</span>{<span class="w">frequencybins</span>}<span class="sc">;</span>
 289     <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">NumOfBins</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 290       <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{frequencybins}, for option \&quot;--frequencybins\&quot; is not valid. Allowed values: positive integer or \&quot;number,number,[number]...\&quot;. \n&quot;</span><span class="sc">;</span>
 291     <span class="s">}</span>
 292   <span class="s">}</span>
 293 <span class="s">}</span>
 294 
 295 <span class="c"># Setup script usage  and retrieve command line arguments specified using various options...</span>
<a name="SetupScriptUsage-"></a> 296 <span class="k">sub </span><span class="m">SetupScriptUsage</span> <span class="s">{</span>
 297 
 298   <span class="c"># Retrieve all the options...</span>
 299   <span class="i">%Options</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 300   <span class="i">$Options</span>{<span class="w">detail</span>} = <span class="n">1</span><span class="sc">;</span>
 301   <span class="i">$Options</span>{<span class="w">ignoregaps</span>} = <span class="q">&#39;no&#39;</span><span class="sc">;</span>
 302   <span class="i">$Options</span>{<span class="w">frequencybins</span>} = <span class="n">10</span><span class="sc">;</span>
 303 
 304   <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;all|a&quot;</span><span class="cm">,</span> <span class="q">&quot;count|c&quot;</span><span class="cm">,</span> <span class="q">&quot;detail|d=i&quot;</span><span class="cm">,</span> <span class="q">&quot;frequency|f&quot;</span><span class="cm">,</span> <span class="q">&quot;frequencybins=s&quot;</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;longest|l&quot;</span><span class="cm">,</span> <span class="q">&quot;shortest|s&quot;</span><span class="cm">,</span> <span class="q">&quot;sequencelengths&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>
 305     <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 $ScriptName -h\&quot; command and try again...\n&quot;</span><span class="sc">;</span>
 306   <span class="s">}</span>
 307   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span>
 308     <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>
 309       <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{workingdir}, for option \&quot;-w --workingdir\&quot; is not a directory name.\n&quot;</span><span class="sc">;</span>
 310     <span class="s">}</span>
 311     <span class="k">chdir</span> <span class="i">$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}: $! \n&quot;</span><span class="sc">;</span>
 312   <span class="s">}</span>
 313   <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">detail</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 314     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{detail}, for option \&quot;-d --detail\&quot; is not valid. Allowed values: &gt; 0\n&quot;</span><span class="sc">;</span>
 315   <span class="s">}</span>
 316   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">ignoregaps</span>} !~ <span class="q">/^(yes|no)$/i</span><span class="s">)</span> <span class="s">{</span>
 317     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{ignoregaps}, for option \&quot;-i --IgnoreGaps\&quot; is not valid. Allowed values: yes or no\n&quot;</span><span class="sc">;</span>
 318   <span class="s">}</span>
 319 <span class="s">}</span>
 320 
<a name="EOF-"></a></pre>
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