diff bin/ModifyNewLineChar.pl @ 0:4816e4a8ae95 draft default tip

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author deepakjadmin
date Wed, 20 Jan 2016 09:23:18 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/ModifyNewLineChar.pl	Wed Jan 20 09:23:18 2016 -0500
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+#!/usr/bin/perl -w
+#
+# $RCSfile: ModifyNewLineChar.pl,v $
+# $Date: 2015/02/28 20:46:20 $
+# $Revision: 1.26 $
+#
+# Author: Manish Sud <msud@san.rr.com>
+#
+# Copyright (C) 2015 Manish Sud. All rights reserved.
+#
+# This file is part of MayaChemTools.
+#
+# MayaChemTools is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; either version 3 of the License, or (at your option) any
+# later version.
+#
+# MayaChemTools is distributed in the hope that it will be useful, but without
+# any warranty; without even the implied warranty of merchantability of fitness
+# for a particular purpose.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or
+# write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,
+# Boston, MA, 02111-1307, USA.
+#
+
+use strict;
+use FindBin; use lib "$FindBin::Bin/../lib";
+use Getopt::Long;
+use File::Basename;
+use Text::ParseWords;
+use Benchmark;
+use FileUtil;
+use TextUtil;
+
+my($ScriptName, %Options, $StartTime, $EndTime, $TotalTime);
+
+# Autoflush STDOUT
+$| = 1;
+
+# Starting message...
+$ScriptName = basename $0;
+print "\n$ScriptName:Starting...\n\n";
+$StartTime = new Benchmark;
+
+# Get the options and setup script...
+SetupScriptUsage();
+if ($Options{help} || @ARGV < 1) {
+  die GetUsageFromPod("$FindBin::Bin/$ScriptName");
+}
+
+my( @FilesList);
+@FilesList = ExpandFileNames(\@ARGV, "");
+
+# Process options...
+print "Processing options...\n";
+my(%OptionsInfo);
+ProcessOptions();
+
+print "Checking input file(s)...\n";
+my(%FilesInfo);
+RetrieveFilesInfo();
+
+# Generate output files...
+my($FileIndex);
+if (@FilesList > 1) {
+  print "\nProcessing files...\n";
+}
+for $FileIndex (0 .. $#FilesList) {
+  if ($FilesInfo{FileOkay}[$FileIndex]) {
+    print "\nProcessing file $FilesList[$FileIndex]...\n";
+    ModifyNewLineChar($FileIndex);
+  }
+}
+print "\n$ScriptName:Done...\n\n";
+
+$EndTime = new Benchmark;
+$TotalTime = timediff ($EndTime, $StartTime);
+print "Total time: ", timestr($TotalTime), "\n";
+
+###############################################################################
+
+# Modify new line characters...
+sub ModifyNewLineChar {
+  my($Index) = @_;
+  my($File, $NewFile, $Mode, $Nothing);
+
+  $File = $FilesList[$Index];
+  $NewFile = $FilesInfo{OutFile}[$Index];
+
+  $Mode = $OptionsInfo{Mode};
+
+  print "Generating new $NewFile file...\n";
+
+  open NEWFILE, ">$NewFile" or die "Error: Can't open $NewFile: !$ \n";
+  open FILE, "$File" or die "Error: Can't open $File: $! \n";
+
+  while (<FILE>) {
+    LINE: {
+      if ($Mode =~ /^Unix$/i) { s/(\r\n)|(\r)|(\n)/\n/g; last LINE; }
+      if ($Mode =~ /^Windows$/i) { s/(\r\n)|(\r)|(\n)/\r\n/g; last LINE; }
+      if ($Mode =~ /^Mac$/i) { s/(\r\n)|(\r)|(\n)/\r/g; last LINE; }
+      $Nothing = 1;
+    }
+    print NEWFILE;
+  }
+
+  close NEWFILE;
+  close FILE;
+}
+
+# Retrieve input files info...
+sub RetrieveFilesInfo {
+  my($File, $Index, $FileDir, $FileName, $FileExt, $NewFileName);
+
+  %FilesInfo = ();
+
+  @{$FilesInfo{FileOkay}} = ();
+  @{$FilesInfo{OutFile}} = ();
+
+  FILELIST: for $Index (0 .. $#FilesList) {
+    $File = $FilesList[$Index];
+
+    $FilesInfo{FileOkay}[$Index] = 0;
+    $FilesInfo{OutFile}[$Index] = "";
+
+    if (!(-e $File)) {
+      warn "Warning: Ignoring file $File: It doesn't exist\n";
+      next FILELIST;
+    }
+
+    if (!open FILE, "$File") {
+      warn "Warning: Ignoring file $File: Couldn't open it: $! \n";
+      next FILELIST;
+    }
+    close FILE;
+
+    $FileDir = ""; $FileName = ""; $FileExt = "";
+    ($FileDir, $FileName, $FileExt) = ParseFileName($File);
+    $NewFileName = $FileName;
+    if ($OptionsInfo{OutFileRoot} && (@FilesList == 1)) {
+      my ($RootFileDir, $RootFileName, $RootFileExt) = ParseFileName($OptionsInfo{OutFileRoot});
+      if ($RootFileName && $RootFileExt) {
+	$NewFileName = $RootFileName;
+      }
+      else {
+	$NewFileName = $OptionsInfo{OutFileRoot};
+      }
+    }
+    else {
+      $NewFileName .= $OptionsInfo{Mode};
+    }
+
+    if ($FileExt) {
+      $NewFileName .= ".$FileExt";
+    }
+
+    if (!$OptionsInfo{Overwrite}) {
+      if (-e $NewFileName) {
+	warn "Warning: Ignoring file $File: New Text file, $NewFileName, already exists\n";
+	next FILELIST;
+      }
+    }
+    $FilesInfo{FileOkay}[$Index] = 1;
+    $FilesInfo{OutFile}[$Index] = $NewFileName;
+  }
+}
+
+# Process option values...
+sub ProcessOptions {
+  %OptionsInfo = ();
+
+  $OptionsInfo{Mode} = $Options{mode};
+
+  $OptionsInfo{OutFileRoot} = $Options{root} ? $Options{root} : undef;
+  $OptionsInfo{Overwrite} = $Options{overwrite} ? $Options{overwrite} : undef;
+
+}
+
+# Setup script usage  and retrieve command line arguments specified using various options...
+sub SetupScriptUsage {
+
+  # Retrieve all the options...
+  %Options = ();
+  $Options{mode} = "Unix";
+
+  if (!GetOptions(\%Options, "help|h", "mode|m=s", "overwrite|o", "root|r=s", "workingdir|w=s")) {
+    die "\nTo get a list of valid options and their values, use \"$ScriptName -h\" or\n\"perl -S $ScriptName -h\" command and try again...\n";
+  }
+  if ($Options{workingdir}) {
+    if (! -d $Options{workingdir}) {
+      die "Error: The value specified, $Options{workingdir},  for option \"-w --workingdir\" is not a directory name.\n";
+    }
+    chdir $Options{workingdir} or die "Error: Couldn't chdir $Options{workingdir}: $! \n";
+  }
+  if ($Options{mode} !~ /^(Unix|Windows|Mac)$/i) {
+    die "Error: The value specified, $Options{mode}, for option \"-m --mode\" is not valid. Allowed values: Unix, Windows, or Mac\n";
+  }
+}
+
+__END__
+
+=head1 NAME
+
+ModifyNewLineChar.pl - Modify new line char(s)
+
+=head1 SYNOPSIS
+
+ModifyNewLineChar.pl File(s)...
+
+ModifyNewLineChar.pl [B<-h, --help>] [B<-m, --mode> Unix | Mac | Windows] [B<-o, --overwrite>]
+[B<-r, --root> rootname] [B<-w, --workingdir> dirname] File(s)...
+
+=head1 DESCRIPTION
+
+Modify new line char(s) in ASCII files to interchange among Unix, Windows, and Mac
+formats.
+
+=head1 OPTIONS
+
+=over 4
+
+=item B<-h, --help>
+
+Print this help message.
+
+=item B<-m, --mode> I<Unix | Mac | Windows>
+
+New line  char(s) mode. Possible values: I<Unix, Mac, or Windows>. Default: I<Unix>. Here
+are default values for new line char(s): I<Unix - \n; Windows: \r\n; Mac - \r>
+
+=item B<-o, --overwrite>
+
+Overwrite existing files.
+
+=item B<-r, --root> I<rootname>
+
+New text file name is generated using the root: <Root>.<Ext>. Default new file name:
+<InitialFileName><Mode>.<InitialFileExt>. This option is ignored for multiple input files.
+
+=item B<-w, --workingdir> I<dirname>
+
+Location of working directory. Default: current directory.
+
+=back
+
+=head1 EXAMPLES
+
+To use Unix new line char and generate NewSample1.csv file, type:
+
+    % ModifyNewLineChar.pl -m Unix -r NewSample1 -o Sample1.csv
+
+To use Mac new line char and generate NewSample1.sdf file, type:
+
+    % ModifyNewLineChar.pl -m Mac -r NewSample1 -o Sample1.sdf
+
+To use Windows new line chars and generate NewSample1.csv file, type:
+
+    % ModifyNewLineChar.pl -m Windows -r NewSample1 -o Sample1.csv
+
+=head1 AUTHOR
+
+Manish Sud <msud@san.rr.com>
+
+=head1 SEE ALSO
+
+ModifyTextFilesFormat.pl
+
+=head1 COPYRIGHT
+
+Copyright (C) 2015 Manish Sud. All rights reserved.
+
+This file is part of MayaChemTools.
+
+MayaChemTools is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the Free
+Software Foundation; either version 3 of the License, or (at your option)
+any later version.
+
+=cut