1 #!/usr/bin/perl -w
   2 #
   3 # $RCSfile: ModifyNewLineChar.pl,v $
   4 # $Date: 2008/01/30 21:44:49 $
   5 # $Revision: 1.12 $
   6 #
   7 # Author: Manish Sud <msud@san.rr.com>
   8 #
   9 # Copyright (C) 2004-2008 Manish Sud. All rights reserved.
  10 #
  11 # This file is part of MayaChemTools.
  12 #
  13 # MayaChemTools is free software; you can redistribute it and/or modify it under
  14 # the terms of the GNU Lesser General Public License as published by the Free
  15 # Software Foundation; either version 3 of the License, or (at your option) any
  16 # later version.
  17 #
  18 # MayaChemTools is distributed in the hope that it will be useful, but without
  19 # any warranty; without even the implied warranty of merchantability of fitness
  20 # for a particular purpose.  See the GNU Lesser General Public License for more
  21 # details.
  22 #
  23 # You should have received a copy of the GNU Lesser General Public License
  24 # along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or
  25 # write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,
  26 # Boston, MA, 02111-1307, USA.
  27 #
  28 
  29 use 5.006;
  30 use strict;
  31 use FindBin; use lib "$FindBin::Bin/../lib";
  32 use Getopt::Long;
  33 use File::Basename;
  34 use Text::ParseWords;
  35 use Benchmark;
  36 use FileUtil;
  37 use TextUtil;
  38 
  39 my($ScriptName, %Options, $StartTime, $EndTime, $TotalTime);
  40 
  41 # Autoflush STDOUT
  42 $| = 1;
  43 
  44 # Starting message...
  45 $ScriptName = basename $0;
  46 print "\n$ScriptName:Starting...\n\n";
  47 $StartTime = new Benchmark;
  48 
  49 # Get the options and setup script...
  50 SetupScriptUsage();
  51 if ($Options{help} || @ARGV < 1) {
  52   die GetUsageFromPod("$FindBin::Bin/$ScriptName");
  53 }
  54 
  55 my( @FilesList);
  56 @FilesList = ExpandFileNames(\@ARGV, "");
  57 
  58 my($Mode) = $Options{mode};
  59 
  60 print "Checking input file(s)...\n";
  61 my(@FilesOkay, @FilesOutFile);
  62 RetrieveFileInfo();
  63 
  64 my($Index, $File, $NewFile, $Nothing);
  65 if (@FilesList > 1) {
  66   print "Processing files...\n";
  67 }
  68 FILELIST: for $Index (0 .. $#FilesList) {
  69   if ($FilesOkay[$Index]) {
  70     $File = $FilesList[$Index];
  71     $NewFile = $FilesOutFile[$Index];
  72     if (@FilesList > 1) {
  73       print "\nProcessing file $File...\n";
  74     }
  75     else {
  76       print "Processing file $File...\n";
  77     }
  78 
  79     open NEWFILE, ">$NewFile" or die "Error: Can't open $NewFile: !$ \n";
  80     print "Generating $NewFile file\n";
  81     open FILE, "$File" or die "Error: Can't open $File: $! \n";
  82     while (<FILE>) {
  83     LINE: {
  84 	if ($Mode =~ /^Unix$/i) { s/(\r\n)|(\r)|(\n)/\n/g; last LINE; }
  85 	if ($Mode =~ /^Windows$/i) { s/(\r\n)|(\r)|(\n)/\r\n/g; last LINE; }
  86 	if ($Mode =~ /^Mac$/i) { s/(\r\n)|(\r)|(\n)/\r/g; last LINE; }
  87 	$Nothing = 1;
  88       }
  89       print NEWFILE;
  90     }
  91     close NEWFILE;
  92     close FILE;
  93   }
  94 }
  95 
  96 print "$ScriptName:Done...\n\n";
  97 
  98 $EndTime = new Benchmark;
  99 $TotalTime = timediff ($EndTime, $StartTime);
 100 print "Total time: ", timestr($TotalTime), "\n";
 101 
 102 ###############################################################################
 103 
 104 # Retrieve input files info...
 105 sub RetrieveFileInfo {
 106   my($File, $Index, $FileDir, $FileName, $FileExt, $NewFileName);
 107 
 108   @FilesOkay = ();
 109   @FilesOutFile = ();
 110  FILELIST: for $Index (0 .. $#FilesList) {
 111     $File = $FilesList[$Index];
 112 
 113     $FilesOkay[$Index] = 0;
 114     if (!(-e $File)) {
 115       warn "Warning: Ignoring file $File: It doesn't exist\n";
 116       next FILELIST;
 117     }
 118     if (!open FILE, "$File") {
 119       warn "Warning: Ignoring file $File: Couldn't open it: $! \n";
 120       next FILELIST;
 121     }
 122     close FILE;
 123 
 124     $FileDir = ""; $FileName = ""; $FileExt = "";
 125     ($FileDir, $FileName, $FileExt) = ParseFileName($File);
 126     $NewFileName = $FileName;
 127     if ($Options{root} && (@FilesList == 1)) {
 128       my ($RootFileDir, $RootFileName, $RootFileExt) = ParseFileName($Options{root});
 129       if ($RootFileName && $RootFileExt) {
 130 	$NewFileName = $RootFileName;
 131       }
 132       else {
 133 	$NewFileName = $Options{root};
 134       }
 135       $NewFileName .= ".$FileExt";
 136     }
 137     else {
 138       $NewFileName .= "$Mode" . ".$FileExt";
 139     }
 140     if (!$Options{overwrite}) {
 141       if (-e $NewFileName) {
 142 	warn "Warning: Ignoring file $File: New Text file, $NewFileName, already exists\n";
 143 	next FILELIST;
 144       }
 145     }
 146     $FilesOkay[$Index] = 1;
 147     $FilesOutFile[$Index] = $NewFileName;
 148   }
 149 }
 150 
 151 # Setup script usage  and retrieve command line arguments specified using various options...
 152 sub SetupScriptUsage {
 153 
 154   # Retrieve all the options...
 155   %Options = ();
 156   $Options{mode} = "Unix";
 157   if (!GetOptions(\%Options, "help|h", "mode|m=s", "overwrite|o", "root|r=s", "workingdir|w=s")) {
 158     die "\nTo get a list of valid options and their values, use \"$ScriptName -h\" or\n\"perl -S $ScriptName -h\" command and try again...\n";
 159   }
 160   if ($Options{workingdir}) {
 161     if (! -d $Options{workingdir}) {
 162       die "Error: The value specified, $Options{workingdir},  for option \"-w --workingdir\" is not a directory name.\n";
 163     }
 164     chdir $Options{workingdir} or die "Error: Couldn't chdir $Options{workingdir}: $! \n";
 165   }
 166   if ($Options{mode} !~ /^(Unix|Windows|Mac)$/i) {
 167     die "Error: The value specified, $Options{mode}, for option \"-m --mode\" is not valid. Allowed values: Unix, Windows, or Mac\n";
 168   }
 169 }
 170