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date Thu, 15 Dec 2016 14:18:03 -0500
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#!/usr/bin/perl -w
#
# $RCSfile: EStateIndiciesFingerprints.pl,v $
# $Date: 2015/02/28 20:46:19 $
# $Revision: 1.23 $
#
# 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;
use SDFileUtil;
use MoleculeFileIO;
use FileIO::FingerprintsSDFileIO;
use FileIO::FingerprintsTextFileIO;
use FileIO::FingerprintsFPFileIO;
use AtomTypes::EStateAtomTypes;
use Fingerprints::EStateIndiciesFingerprints;

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(@SDFilesList);
@SDFilesList = ExpandFileNames(\@ARGV, "sdf sd");

# Process options...
print "Processing options...\n";
my(%OptionsInfo);
ProcessOptions();

# Setup information about input files...
print "Checking input SD file(s)...\n";
my(%SDFilesInfo);
RetrieveSDFilesInfo();

# Process input files..
my($FileIndex);
if (@SDFilesList > 1) {
  print "\nProcessing SD files...\n";
}
for $FileIndex (0 .. $#SDFilesList) {
  if ($SDFilesInfo{FileOkay}[$FileIndex]) {
    print "\nProcessing file $SDFilesList[$FileIndex]...\n";
    GenerateEStateIndiciesFingerprints($FileIndex);
  }
}
print "\n$ScriptName:Done...\n\n";

$EndTime = new Benchmark;
$TotalTime = timediff ($EndTime, $StartTime);
print "Total time: ", timestr($TotalTime), "\n";

###############################################################################

# Generate fingerprints for a SD file...
#
sub GenerateEStateIndiciesFingerprints {
  my($FileIndex) = @_;
  my($CmpdCount, $IgnoredCmpdCount, $SDFile, $MoleculeFileIO, $Molecule, $EStateIndiciesFingerprints, $NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO);

  $SDFile = $SDFilesList[$FileIndex];

  # Setup output files...
  #
  ($NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO) = SetupAndOpenOutputFiles($FileIndex);

  $MoleculeFileIO = new MoleculeFileIO('Name' => $SDFile);
  $MoleculeFileIO->Open();

  $CmpdCount = 0;
  $IgnoredCmpdCount = 0;

  COMPOUND: while ($Molecule = $MoleculeFileIO->ReadMolecule()) {
    $CmpdCount++;

    # Filter compound data before calculating fingerprints...
    if ($OptionsInfo{Filter}) {
      if (CheckAndFilterCompound($CmpdCount, $Molecule)) {
	$IgnoredCmpdCount++;
	next COMPOUND;
      }
    }

    $EStateIndiciesFingerprints = GenerateMoleculeFingerprints($Molecule);
    if (!$EStateIndiciesFingerprints) {
      $IgnoredCmpdCount++;
      ProcessIgnoredCompound('FingerprintsGenerationFailed', $CmpdCount, $Molecule);
      next COMPOUND;
    }

    WriteDataToOutputFiles($FileIndex, $CmpdCount, $Molecule, $EStateIndiciesFingerprints, $NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO);
  }
  $MoleculeFileIO->Close();

  if ($NewFPSDFileIO) {
    $NewFPSDFileIO->Close();
  }
  if ($NewFPTextFileIO) {
    $NewFPTextFileIO->Close();
  }
  if ($NewFPFileIO) {
    $NewFPFileIO->Close();
  }

  WriteFingerprintsGenerationSummaryStatistics($CmpdCount, $IgnoredCmpdCount);
}

# Process compound being ignored due to problems in fingerprints geneation...
#
sub ProcessIgnoredCompound {
  my($Mode, $CmpdCount, $Molecule) = @_;
  my($CmpdID, $DataFieldLabelAndValuesRef);

  $DataFieldLabelAndValuesRef = $Molecule->GetDataFieldLabelAndValues();
  $CmpdID = SetupCmpdIDForOutputFiles($CmpdCount, $Molecule, $DataFieldLabelAndValuesRef);

  MODE: {
    if ($Mode =~ /^ContainsNonElementalData$/i) {
      warn "\nWarning: Ignoring compound record number $CmpdCount with ID $CmpdID: Compound contains atom data corresponding to non-elemental atom symbol(s)...\n\n";
      next MODE;
    }

    if ($Mode =~ /^ContainsNoElementalData$/i) {
      warn "\nWarning: Ignoring compound record number $CmpdCount with ID $CmpdID: Compound contains no atom data...\n\n";
      next MODE;
    }

    if ($Mode =~ /^FingerprintsGenerationFailed$/i) {
      warn "\nWarning: Ignoring compound record number $CmpdCount with ID $CmpdID: Fingerprints generation didn't succeed...\n\n";
      next MODE;
    }
    warn "\nWarning: Ignoring compound record number $CmpdCount with ID $CmpdID: Fingerprints generation didn't succeed...\n\n";
  }
}

# Check and filter compounds....
#
sub CheckAndFilterCompound {
  my($CmpdCount, $Molecule) = @_;
  my($ElementCount, $NonElementCount);

  ($ElementCount, $NonElementCount) = $Molecule->GetNumOfElementsAndNonElements();

  if ($NonElementCount) {
    ProcessIgnoredCompound('ContainsNonElementalData', $CmpdCount, $Molecule);
    return 1;
  }

  if (!$ElementCount) {
    ProcessIgnoredCompound('ContainsNoElementalData', $CmpdCount, $Molecule);
    return 1;
  }

  return 0;
}

# Write out compounds fingerprints generation summary statistics...
#
sub WriteFingerprintsGenerationSummaryStatistics {
  my($CmpdCount, $IgnoredCmpdCount) = @_;
  my($ProcessedCmpdCount);

  $ProcessedCmpdCount = $CmpdCount - $IgnoredCmpdCount;

  print "\nNumber of compounds: $CmpdCount\n";
  print "Number of compounds processed successfully during fingerprints generation: $ProcessedCmpdCount\n";
  print "Number of compounds ignored during fingerprints generation: $IgnoredCmpdCount\n";
}

# Open output files...
#
sub SetupAndOpenOutputFiles {
  my($FileIndex) = @_;
  my($NewFPSDFile, $NewFPFile, $NewFPTextFile, $NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO, %FingerprintsFileIOParams);

  ($NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO) = (undef) x 3;

  # Setup common parameters for fingerprints file IO objects...
  #
  %FingerprintsFileIOParams = ();
  %FingerprintsFileIOParams = ('Mode' => 'Write', 'Overwrite' => $OptionsInfo{OverwriteFiles}, 'FingerprintsStringMode' => 'FingerprintsVectorString', 'VectorStringFormat' => $OptionsInfo{VectorStringFormat});

  if ($OptionsInfo{SDOutput}) {
    $NewFPSDFile = $SDFilesInfo{SDOutFileNames}[$FileIndex];
    print "Generating SD file $NewFPSDFile...\n";
    $NewFPSDFileIO = new FileIO::FingerprintsSDFileIO('Name' => $NewFPSDFile, %FingerprintsFileIOParams, 'FingerprintsFieldLabel' => $OptionsInfo{FingerprintsLabel});
    $NewFPSDFileIO->Open();
  }

  if ($OptionsInfo{FPOutput}) {
    $NewFPFile = $SDFilesInfo{FPOutFileNames}[$FileIndex];
    print "Generating FP file $NewFPFile...\n";
    $NewFPFileIO = new FileIO::FingerprintsFPFileIO('Name' => $NewFPFile, %FingerprintsFileIOParams);
    $NewFPFileIO->Open();
  }

  if ($OptionsInfo{TextOutput}) {
    my($ColLabelsRef);

    $NewFPTextFile = $SDFilesInfo{TextOutFileNames}[$FileIndex];
    $ColLabelsRef = SetupFPTextFileCoulmnLabels($FileIndex);

    print "Generating text file $NewFPTextFile...\n";
    $NewFPTextFileIO = new FileIO::FingerprintsTextFileIO('Name' => $NewFPTextFile, %FingerprintsFileIOParams, 'DataColLabels' => $ColLabelsRef, 'OutDelim' => $OptionsInfo{OutDelim}, 'OutQuote' => $OptionsInfo{OutQuote});
    $NewFPTextFileIO->Open();
  }

  return ($NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO);
}

# Write fingerpritns and other data to appropriate output files...
#
sub WriteDataToOutputFiles {
  my($FileIndex, $CmpdCount, $Molecule, $EStateIndiciesFingerprints, $NewFPSDFileIO, $NewFPTextFileIO, $NewFPFileIO) = @_;
  my($DataFieldLabelAndValuesRef);

  $DataFieldLabelAndValuesRef = undef;
  if ($NewFPTextFileIO || $NewFPFileIO) {
    $DataFieldLabelAndValuesRef = $Molecule->GetDataFieldLabelAndValues();
  }

  if ($NewFPSDFileIO) {
    my($CmpdString);

    $CmpdString = $Molecule->GetInputMoleculeString();
    $NewFPSDFileIO->WriteFingerprints($EStateIndiciesFingerprints, $CmpdString);
  }

  if ($NewFPTextFileIO) {
    my($ColValuesRef);

    $ColValuesRef = SetupFPTextFileCoulmnValues($FileIndex, $CmpdCount, $Molecule, $DataFieldLabelAndValuesRef);
    $NewFPTextFileIO->WriteFingerprints($EStateIndiciesFingerprints, $ColValuesRef);
  }

  if ($NewFPFileIO) {
    my($CompoundID);

    $CompoundID = SetupCmpdIDForOutputFiles($CmpdCount, $Molecule, $DataFieldLabelAndValuesRef);
    $NewFPFileIO->WriteFingerprints($EStateIndiciesFingerprints, $CompoundID);
  }

}

# Generate approriate column labels for FPText output file...
#
sub SetupFPTextFileCoulmnLabels {
  my($FileIndex) = @_;
  my($Line, @ColLabels);

  @ColLabels = ();
  if ($OptionsInfo{DataFieldsMode} =~ /^All$/i) {
    push @ColLabels, @{$SDFilesInfo{AllDataFieldsRef}[$FileIndex]};
  }
  elsif ($OptionsInfo{DataFieldsMode} =~ /^Common$/i) {
    push @ColLabels, @{$SDFilesInfo{CommonDataFieldsRef}[$FileIndex]};
  }
  elsif ($OptionsInfo{DataFieldsMode} =~ /^Specify$/i) {
    push @ColLabels, @{$OptionsInfo{SpecifiedDataFields}};
  }
  elsif ($OptionsInfo{DataFieldsMode} =~ /^CompoundID$/i) {
    push @ColLabels, $OptionsInfo{CompoundIDLabel};
  }
  # Add fingerprints label...
  push @ColLabels, $OptionsInfo{FingerprintsLabel};

  return \@ColLabels;
}

# Generate column values FPText output file..
#
sub SetupFPTextFileCoulmnValues {
  my($FileIndex, $CmpdCount, $Molecule, $DataFieldLabelAndValuesRef) = @_;
  my(@ColValues);

  @ColValues = ();
  if ($OptionsInfo{DataFieldsMode} =~ /^CompoundID$/i) {
    push @ColValues, SetupCmpdIDForOutputFiles($CmpdCount, $Molecule, $DataFieldLabelAndValuesRef);
  }
  elsif ($OptionsInfo{DataFieldsMode} =~ /^All$/i) {
    @ColValues = map { exists $DataFieldLabelAndValuesRef->{$_} ? $DataFieldLabelAndValuesRef->{$_} : ''} @{$SDFilesInfo{AllDataFieldsRef}[$FileIndex]};
  }
  elsif ($OptionsInfo{DataFieldsMode} =~ /^Common$/i) {
    @ColValues = map { exists $DataFieldLabelAndValuesRef->{$_} ? $DataFieldLabelAndValuesRef->{$_} : ''} @{$SDFilesInfo{CommonDataFieldsRef}[$FileIndex]};
  }
  elsif ($OptionsInfo{DataFieldsMode} =~ /^Specify$/i) {
    @ColValues = map { exists $DataFieldLabelAndValuesRef->{$_} ? $DataFieldLabelAndValuesRef->{$_} : ''} @{$OptionsInfo{SpecifiedDataFields}};
  }

  return \@ColValues;
}

# Generate compound ID for FP and FPText output files..
#
sub SetupCmpdIDForOutputFiles {
  my($CmpdCount, $Molecule, $DataFieldLabelAndValuesRef) = @_;
  my($CmpdID);

  $CmpdID = '';
  if ($OptionsInfo{CompoundIDMode} =~ /^MolNameOrLabelPrefix$/i) {
    my($MolName);
    $MolName = $Molecule->GetName();
    $CmpdID = $MolName ? $MolName : "$OptionsInfo{CompoundID}${CmpdCount}";
  }
  elsif ($OptionsInfo{CompoundIDMode} =~ /^LabelPrefix$/i) {
    $CmpdID = "$OptionsInfo{CompoundID}${CmpdCount}";
  }
  elsif ($OptionsInfo{CompoundIDMode} =~ /^DataField$/i) {
    my($SpecifiedDataField);
    $SpecifiedDataField = $OptionsInfo{CompoundID};
    $CmpdID = exists $DataFieldLabelAndValuesRef->{$SpecifiedDataField} ? $DataFieldLabelAndValuesRef->{$SpecifiedDataField} : '';
  }
  elsif ($OptionsInfo{CompoundIDMode} =~ /^MolName$/i) {
    $CmpdID = $Molecule->GetName();
  }
  return $CmpdID;
}

# Generate fingerprints for molecule...
#
sub GenerateMoleculeFingerprints {
  my($Molecule) = @_;
  my($EStateIndiciesFingerprints);

  if ($OptionsInfo{KeepLargestComponent}) {
    $Molecule->KeepLargestComponent();
  }
  if (!$Molecule->DetectRings()) {
    return undef;
  }
  $Molecule->SetAromaticityModel($OptionsInfo{AromaticityModel});
  $Molecule->DetectAromaticity();

  $EStateIndiciesFingerprints = new Fingerprints::EStateIndiciesFingerprints('Molecule' => $Molecule, 'EStateAtomTypesSetToUse' => $OptionsInfo{EStateAtomTypesSetToUse}, 'ValuesPrecision' => $OptionsInfo{ValuesPrecision});

  # Generate E-state indicies fingerprints...
  $EStateIndiciesFingerprints->GenerateFingerprints();

  # Make sure E-state indicies fingerprints generation is successful...
  if (!$EStateIndiciesFingerprints->IsFingerprintsGenerationSuccessful()) {
    return undef;
  }

  return $EStateIndiciesFingerprints;
}

# Retrieve information about SD files...
#
sub RetrieveSDFilesInfo {
  my($SDFile, $Index, $FileDir, $FileExt, $FileName, $OutFileRoot, $TextOutFileExt, $SDOutFileExt, $FPOutFileExt, $NewSDFileName, $NewFPFileName, $NewTextFileName, $CheckDataField, $CollectDataFields, $AllDataFieldsRef, $CommonDataFieldsRef);

  %SDFilesInfo = ();
  @{$SDFilesInfo{FileOkay}} = ();
  @{$SDFilesInfo{OutFileRoot}} = ();
  @{$SDFilesInfo{SDOutFileNames}} = ();
  @{$SDFilesInfo{FPOutFileNames}} = ();
  @{$SDFilesInfo{TextOutFileNames}} = ();
  @{$SDFilesInfo{AllDataFieldsRef}} = ();
  @{$SDFilesInfo{CommonDataFieldsRef}} = ();

  $CheckDataField = ($OptionsInfo{TextOutput} && ($OptionsInfo{DataFieldsMode} =~ /^CompoundID$/i) && ($OptionsInfo{CompoundIDMode} =~ /^DataField$/i)) ? 1 : 0;
  $CollectDataFields = ($OptionsInfo{TextOutput} && ($OptionsInfo{DataFieldsMode} =~ /^(All|Common)$/i)) ? 1 : 0;

  FILELIST: for $Index (0 .. $#SDFilesList) {
    $SDFile = $SDFilesList[$Index];

    $SDFilesInfo{FileOkay}[$Index] = 0;
    $SDFilesInfo{OutFileRoot}[$Index] = '';
    $SDFilesInfo{SDOutFileNames}[$Index] = '';
    $SDFilesInfo{FPOutFileNames}[$Index] = '';
    $SDFilesInfo{TextOutFileNames}[$Index] = '';

    $SDFile = $SDFilesList[$Index];
    if (!(-e $SDFile)) {
      warn "Warning: Ignoring file $SDFile: It doesn't exist\n";
      next FILELIST;
    }
    if (!CheckFileType($SDFile, "sd sdf")) {
      warn "Warning: Ignoring file $SDFile: It's not a SD file\n";
      next FILELIST;
    }

    if ($CheckDataField) {
      # Make sure data field exists in SD file..
      my($CmpdString, $SpecifiedDataField, @CmpdLines, %DataFieldValues);

      @CmpdLines = ();
      open SDFILE, "$SDFile" or die "Error: Couldn't open $SDFile: $! \n";
      $CmpdString = ReadCmpdString(\*SDFILE);
      close SDFILE;
      @CmpdLines = split "\n", $CmpdString;
      %DataFieldValues = GetCmpdDataHeaderLabelsAndValues(\@CmpdLines);
      $SpecifiedDataField = $OptionsInfo{CompoundID};
      if (!exists $DataFieldValues{$SpecifiedDataField}) {
	warn "Warning: Ignoring file $SDFile: Data field value, $SpecifiedDataField, using  \"--CompoundID\" option in \"DataField\" \"--CompoundIDMode\" doesn't exist\n";
	next FILELIST;
      }
    }

    $AllDataFieldsRef = '';
    $CommonDataFieldsRef = '';
    if ($CollectDataFields) {
      my($CmpdCount);
      open SDFILE, "$SDFile" or die "Error: Couldn't open $SDFile: $! \n";
      ($CmpdCount, $AllDataFieldsRef, $CommonDataFieldsRef) = GetAllAndCommonCmpdDataHeaderLabels(\*SDFILE);
      close SDFILE;
    }

    # Setup output file names...
    $FileDir = ""; $FileName = ""; $FileExt = "";
    ($FileDir, $FileName, $FileExt) = ParseFileName($SDFile);

    $TextOutFileExt = "csv";
    if ($Options{outdelim} =~ /^tab$/i) {
      $TextOutFileExt = "tsv";
    }
    $SDOutFileExt = $FileExt;
    $FPOutFileExt = "fpf";

    if ($OptionsInfo{OutFileRoot} && (@SDFilesList == 1)) {
      my ($RootFileDir, $RootFileName, $RootFileExt) = ParseFileName($OptionsInfo{OutFileRoot});
      if ($RootFileName && $RootFileExt) {
	$FileName = $RootFileName;
      }
      else {
	$FileName = $OptionsInfo{OutFileRoot};
      }
      $OutFileRoot = $FileName;
    }
    else {
      $OutFileRoot = "${FileName}EStateIndiciesFP";
    }

    $NewSDFileName = "${OutFileRoot}.${SDOutFileExt}";
    $NewFPFileName = "${OutFileRoot}.${FPOutFileExt}";
    $NewTextFileName = "${OutFileRoot}.${TextOutFileExt}";

    if ($OptionsInfo{SDOutput}) {
      if ($SDFile =~ /$NewSDFileName/i) {
	warn "Warning: Ignoring input file $SDFile: Same output, $NewSDFileName, and input file names.\n";
	print "Specify a different name using \"-r --root\" option or use default name.\n";
	next FILELIST;
      }
    }

    if (!$OptionsInfo{OverwriteFiles}) {
      # Check SD and text outout files...
      if ($OptionsInfo{SDOutput}) {
	if (-e $NewSDFileName) {
	  warn "Warning: Ignoring file $SDFile: The file $NewSDFileName already exists\n";
	  next FILELIST;
	}
      }
      if ($OptionsInfo{FPOutput}) {
	if (-e $NewFPFileName) {
	  warn "Warning: Ignoring file $SDFile: The file $NewFPFileName already exists\n";
	  next FILELIST;
	}
      }
      if ($OptionsInfo{TextOutput}) {
	if (-e $NewTextFileName) {
	  warn "Warning: Ignoring file $SDFile: The file $NewTextFileName already exists\n";
	  next FILELIST;
	}
      }
    }

    $SDFilesInfo{FileOkay}[$Index] = 1;

    $SDFilesInfo{OutFileRoot}[$Index] = $OutFileRoot;
    $SDFilesInfo{SDOutFileNames}[$Index] = $NewSDFileName;
    $SDFilesInfo{FPOutFileNames}[$Index] = $NewFPFileName;
    $SDFilesInfo{TextOutFileNames}[$Index] = $NewTextFileName;

    $SDFilesInfo{AllDataFieldsRef}[$Index] = $AllDataFieldsRef;
    $SDFilesInfo{CommonDataFieldsRef}[$Index] = $CommonDataFieldsRef;
  }
}

# Process option values...
sub ProcessOptions {
  %OptionsInfo = ();

  $OptionsInfo{AromaticityModel} = $Options{aromaticitymodel};

  $OptionsInfo{EStateAtomTypesSetToUse} = $Options{estateatomtypessettouse} ? $Options{estateatomtypessettouse} : 'ArbitrarySize';

  $OptionsInfo{CompoundIDMode} = $Options{compoundidmode};
  $OptionsInfo{CompoundIDLabel} = $Options{compoundidlabel};
  $OptionsInfo{DataFieldsMode} = $Options{datafieldsmode};

  my(@SpecifiedDataFields);
  @SpecifiedDataFields = ();

  @{$OptionsInfo{SpecifiedDataFields}} = ();
  $OptionsInfo{CompoundID} = '';

  if ($Options{datafieldsmode} =~ /^CompoundID$/i) {
    if ($Options{compoundidmode} =~ /^DataField$/i) {
      if (!$Options{compoundid}) {
	die "Error: You must specify a value for \"--CompoundID\" option in \"DataField\" \"--CompoundIDMode\". \n";
      }
      $OptionsInfo{CompoundID} = $Options{compoundid};
    }
    elsif ($Options{compoundidmode} =~ /^(LabelPrefix|MolNameOrLabelPrefix)$/i) {
      $OptionsInfo{CompoundID} = $Options{compoundid} ? $Options{compoundid} : 'Cmpd';
    }
  }
  elsif ($Options{datafieldsmode} =~ /^Specify$/i) {
    if (!$Options{datafields}) {
      die "Error: You must specify a value for \"--DataFields\" option in \"Specify\" \"-d, --DataFieldsMode\". \n";
    }
    @SpecifiedDataFields = split /\,/, $Options{datafields};
    push @{$OptionsInfo{SpecifiedDataFields}}, @SpecifiedDataFields;
  }

  $OptionsInfo{FingerprintsLabel} = $Options{fingerprintslabel} ? $Options{fingerprintslabel} : 'EStateIndiciesFingerprints';

  $OptionsInfo{Filter} = ($Options{filter} =~ /^Yes$/i) ? 1 : 0;

  if ($Options{fingerprintslabelmode} =~ /^FingerprintsLabelWithIDs$/) {
    if ($Options{estateatomtypessettouse} =~ /^FixedSize$/i) {
      # Append E-state atom types for non-hydrogen atoms to the fingerprints label...
      my($AtomType, @IDs);
      @IDs = ();
      for $AtomType (@{AtomTypes::EStateAtomTypes::GetAllPossibleEStateNonHydrogenAtomTypes()}) {
	push @IDs, "S${AtomType}";
      }
      $OptionsInfo{FingerprintsLabel} .= "; EStateAtomTypes: " . TextUtil::JoinWords(\@IDs, " ", 0);
    }
  }
  $OptionsInfo{FingerprintsLabelMode} = $Options{fingerprintslabelmode};

  $OptionsInfo{KeepLargestComponent} = ($Options{keeplargestcomponent} =~ /^Yes$/i) ? 1 : 0;

  $OptionsInfo{Output} = $Options{output};
  $OptionsInfo{SDOutput} = ($Options{output} =~ /^(SD|All)$/i) ? 1 : 0;
  $OptionsInfo{FPOutput} = ($Options{output} =~ /^(FP|All)$/i) ? 1 : 0;
  $OptionsInfo{TextOutput} = ($Options{output} =~ /^(Text|All)$/i) ? 1 : 0;

  $OptionsInfo{OutDelim} = $Options{outdelim};
  $OptionsInfo{OutQuote} = ($Options{quote} =~ /^Yes$/i) ? 1 : 0;

  $OptionsInfo{OverwriteFiles} = $Options{overwrite} ? 1 : 0;
  $OptionsInfo{OutFileRoot} = $Options{root} ? $Options{root} : 0;

  # Precision for E-state indicies...
  $OptionsInfo{ValuesPrecision} = $Options{valuesprecision};

  # Setup default vector string format...
  my($VectorStringFormat);
  $VectorStringFormat = '';
  if ($Options{vectorstringformat}) {
    $VectorStringFormat = $Options{vectorstringformat};
  }
  else {
    $VectorStringFormat = ($Options{estateatomtypessettouse} =~ /^FixedSize$/) ? "ValuesString" : "IDsAndValuesString";
  }
  $OptionsInfo{VectorStringFormat} = $VectorStringFormat;
}

# Setup script usage  and retrieve command line arguments specified using various options...
sub SetupScriptUsage {

  # Retrieve all the options...
  %Options = ();

  $Options{aromaticitymodel} = 'MayaChemToolsAromaticityModel';

  $Options{compoundidmode} = 'LabelPrefix';
  $Options{compoundidlabel} = 'CompoundID';
  $Options{datafieldsmode} = 'CompoundID';

  $Options{filter} = 'Yes';

  $Options{estateatomtypessettouse} = 'ArbitrarySize';

  $Options{fingerprintslabelmode} = 'FingerprintsLabelOnly';
  $Options{keeplargestcomponent} = 'Yes';

  $Options{output} = 'text';
  $Options{outdelim} = 'comma';
  $Options{quote} = 'yes';

  $Options{valuesprecision} = 3;

  $Options{vectorstringformat} = '';

  if (!GetOptions(\%Options, "aromaticitymodel=s", "compoundid=s", "compoundidlabel=s", "compoundidmode=s", "datafields=s", "datafieldsmode|d=s", "estateatomtypessettouse|e=s", "filter|f=s", "fingerprintslabelmode=s", "fingerprintslabel=s",  "help|h", "keeplargestcomponent|k=s", "outdelim=s", "output=s", "overwrite|o", "quote|q=s", "root|r=s", "valuesprecision=s", "vectorstringformat|v=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}: $! \n";
  }
  if (!Molecule::IsSupportedAromaticityModel($Options{aromaticitymodel})) {
    my(@SupportedModels) = Molecule::GetSupportedAromaticityModels();
    die "Error: The value specified, $Options{aromaticitymodel}, for option \"--AromaticityModel\" is not valid. Supported aromaticity models in current release of MayaChemTools: @SupportedModels\n";
  }
  if ($Options{compoundidmode} !~ /^(DataField|MolName|LabelPrefix|MolNameOrLabelPrefix)$/i) {
    die "Error: The value specified, $Options{compoundidmode}, for option \"--CompoundIDMode\" is not valid. Allowed values: DataField, MolName, LabelPrefix or MolNameOrLabelPrefix\n";
  }
  if ($Options{datafieldsmode} !~ /^(All|Common|Specify|CompoundID)$/i) {
    die "Error: The value specified, $Options{datafieldsmode}, for option \"-d, --DataFieldsMode\" is not valid. Allowed values: All, Common, Specify or CompoundID\n";
  }
  if ($Options{estateatomtypessettouse} && $Options{estateatomtypessettouse} !~ /^(ArbitrarySize|FixedSize)$/) {
    die "Error: The value specified, $Options{estateatomtypessettouse}, for option \"-e, --EStateAtomTypesSetToUse\" is not valid. Allowed values: ArbitrarySize or FixedSize\n";
  }
  if ($Options{filter} !~ /^(Yes|No)$/i) {
    die "Error: The value specified, $Options{filter}, for option \"-f, --Filter\" is not valid. Allowed values: Yes or No\n";
  }
  if ($Options{fingerprintslabelmode} !~ /^(FingerprintsLabelOnly|FingerprintsLabelWithIDs)$/i) {
    die "Error: The value specified, $Options{fingerprintslabelmode}, for option \"--FingerprintsLabelMode\" is not valid. Allowed values: FingerprintsLabelOnly or FingerprintsLabelWithIDs\n";
  }
  if ($Options{keeplargestcomponent} !~ /^(Yes|No)$/i) {
    die "Error: The value specified, $Options{keeplargestcomponent}, for option \"-k, --KeepLargestComponent\" is not valid. Allowed values: Yes or No\n";
  }
  if ($Options{output} !~ /^(SD|FP|text|all)$/i) {
    die "Error: The value specified, $Options{output}, for option \"--output\" is not valid. Allowed values: SD, FP, text, or all\n";
  }
  if ($Options{outdelim} !~ /^(comma|semicolon|tab)$/i) {
    die "Error: The value specified, $Options{outdelim}, for option \"--outdelim\" is not valid. Allowed values: comma, tab, or semicolon\n";
  }
  if ($Options{quote} !~ /^(Yes|No)$/i) {
    die "Error: The value specified, $Options{quote}, for option \"-q --quote\" is not valid. Allowed values: Yes or No\n";
  }
  if ($Options{outdelim} =~ /semicolon/i && $Options{quote} =~ /^No$/i) {
    die "Error: The value specified, $Options{quote}, for option \"-q --quote\" is not allowed with, semicolon value of \"--outdelim\" option: Fingerprints string use semicolon as delimiter for various data fields and must be quoted.\n";
  }
  if (!IsPositiveInteger($Options{valuesprecision})) {
    die "Error: The value specified, $Options{valuesprecision}, for option \"--ValuesPrecision\" is not valid. Allowed values: > 0 \n";
  }
  if ($Options{vectorstringformat} && $Options{vectorstringformat} !~ /^(ValuesString|IDsAndValuesString|IDsAndValuesPairsString|ValuesAndIDsString|ValuesAndIDsPairsString)$/i) {
    die "Error: The value specified, $Options{vectorstringformat}, for option \"-v, --VectorStringFormat\" is not valid. Allowed values: ValuesString, IDsAndValuesString, IDsAndValuesPairsString, ValuesAndIDsString or ValuesAndIDsPairsString\n";
  }
}

__END__

=head1 NAME

EStateIndiciesFingerprints.pl - Generate E-state indicies fingerprints for SD files

=head1 SYNOPSIS

EStateIndiciesFingerprints.pl SDFile(s)...

EStateIndiciesFingerprints.pl [B<--AromaticityModel> I<AromaticityModelType>]
[B<--CompoundID> I<DataFieldName or LabelPrefixString>]
[B<--CompoundIDLabel> I<text>] [B<--CompoundIDMode> I<DataField | MolName | LabelPrefix | MolNameOrLabelPrefix>]
[B<--DataFields> I<"FieldLabel1,FieldLabel2,...">] [B<-d, --DataFieldsMode> I<All | Common | Specify | CompoundID>]
[B<-e, --EStateAtomTypesSetToUse> I<ArbitrarySize or FixedSize>] [B<-f, --Filter> I<Yes | No>]
[B<--FingerprintsLabelMode> I<FingerprintsLabelOnly | FingerprintsLabelWithIDs>] [B<--FingerprintsLabel> I<text>]
[B<-h, --help>] [B<-k, --KeepLargestComponent> I<Yes | No>]
[B<--OutDelim> I<comma | tab | semicolon>] [B<--output> I<SD | FP | text | all>] [B<-o, --overwrite>]
[B<-q, --quote> I<Yes | No>] [B<-r, --root> I<RootName>] [B<-s, --size> I<number>] [B<--ValuesPrecision> I<number>]
[B<-v, --VectorStringFormat> I<IDsAndValuesString | IDsAndValuesPairsString | ValuesAndIDsString | ValuesAndIDsPairsString>]
[B<-w, --WorkingDir> I<DirName>]

=head1 DESCRIPTION

Generate E-state indicies fingerprints [ Ref 75-78 ] for I<SDFile(s)> and create appropriate SD,
FP, or CSV/TSV text file(s) containing fingerprints bit-vector or vector strings corresponding to
molecular fingerprints.

Multiple SDFile names are separated by spaces. The valid file extensions are I<.sdf>
and I<.sd>. All other file names are ignored. All the SD files in a current directory
can be specified either by I<*.sdf> or the current directory name.

E-state atom types are assigned to all non-hydrogen atoms in a molecule using module
AtomTypes::EStateAtomTypes.pm and E-state values are calculated using module
AtomicDescriptors::EStateValues.pm. Using E-state atom types and E-state values,
B<EStateIndiciesFingerprints> constituting sum of E-state values for E-sate atom types
is generated.

Two types of E-state atom types set size are allowed:

    ArbitrarySize - Corresponds to only E-state atom types detected
                    in molecule
    FixedSize - Corresponds to fixed number of E-state atom types previously
                defined

Module AtomTypes::EStateAtomTypes.pm, used to assign E-state atom types to
non-hydrogen atoms in the molecule, is able to assign atom types to any valid
atom group. However, for I<FixedSize> value of B<EStateAtomTypesSetToUse>, only a
fixed set of E-state atom types corresponding to specific atom groups [ Appendix III in
Ref 77 ] are used for fingerprints.

The fixed size E-state atom type set size used during generation of fingerprints contains
87 E-state non-hydrogen atom types in EStateAtomTypes.csv data file distributed with
MayaChemTools.

Combination of Type and EStateAtomTypesSetToUse allow generation of 2 different types of
E-state indicies fingerprints:

    Type                        EStateAtomTypesSetToUse

    EStateIndicies              ArbitrarySize      [ default fingerprints ]
    EStateIndicies              FixedSize

Example of I<SD> file containing E-state indicies fingerprints string data:

    ... ...
    ... ...
    $$$$
    ... ...
    ... ...
    ... ...
    41 44  0  0  0  0  0  0  0  0999 V2000
     -3.3652    1.4499    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    ... ...
    2  3  1  0  0  0  0
    ... ...
    M  END
    >  <CmpdID>
    Cmpd1

    >  <EStateIndiciesFingerprints>
    FingerprintsVector;EStateIndicies:ArbitrarySize;11;NumericalValues;IDsA
    ndValuesString;SaaCH SaasC SaasN SdO SdssC SsCH3 SsF SsOH SssCH2 SssNH
    SsssCH;24.778 4.387 1.993 25.023 -1.435 3.975 14.006 29.759 -0.073 3.02
    4 -2.270

    $$$$
    ... ...
    ... ...

Example of I<FP> file containing E-state indicies fingerprints string data:

    #
    # Package = MayaChemTools 7.4
    # Release Date = Oct 21, 2010
    #
    # TimeStamp = Fri Mar 11 14:35:11 2011
    #
    # FingerprintsStringType = FingerprintsVector
    #
    # Description = EStateIndicies:ArbitrarySize
    # VectorStringFormat = IDsAndValuesString
    # VectorValuesType = NumericalValues
    #
    Cmpd1 11;SaaCH SaasC SaasN SdO SdssC...;24.778 4.387 1.993 25.023 -1...
    Cmpd2 9;SdNH SdO SdssC SsCH3 SsNH...;7.418 22.984 -1.583 5.387 5.400...
    ... ...
    ... ..

Example of CSV I<Text> file containing E-state indicies fingerprints string data:

    "CompoundID","EStateIndiciesFingerprints"
    "Cmpd1","FingerprintsVector;EStateIndicies:ArbitrarySize;11;NumericalVa
    lues;IDsAndValuesString;SaaCH SaasC SaasN SdO SdssC SsCH3 SsF SsOH SssC
    H2 SssNH SsssCH;24.778 4.387 1.993 25.023 -1.435 3.975 14.006 29.759 -0
    .073 3.024 -2.270"
    "Cmpd2","FingerprintsVector;EStateIndicies:ArbitrarySize;9;NumericalVal
    ues;IDsAndValuesString;SdNH SdO SdssC SsCH3 SsNH2 SsOH SssCH2 SssNH Sss
    sCH;7.418 22.984 -1.583 5.387 5.400 19.852 1.737 5.624 -3.319"
    ... ...
    ... ...

The current release of MayaChemTools generates the following types of E-state
fingerprints vector strings:

    FingerprintsVector;EStateIndicies:ArbitrarySize;11;NumericalValues;IDs
    AndValuesString;SaaCH SaasC SaasN SdO SdssC SsCH3 SsF SsOH SssCH2 SssN
    H SsssCH;24.778 4.387 1.993 25.023 -1.435 3.975 14.006 29.759 -0.073 3
    .024 -2.270

    FingerprintsVector;EStateIndicies:FixedSize;87;OrderedNumericalValues;
    ValuesString;0 0 0 0 0 0 0 3.975 0 -0.073 0 0 24.778 -2.270 0 0 -1.435
    4.387 0 0 0 0 0 0 3.024 0 0 0 0 0 0 0 1.993 0 29.759 25.023 0 0 0 0 1
    4.006 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
    0 0 0 0 0 0 0 0 0 0 0 0 0 0

    FingerprintsVector;EStateIndicies:FixedSize;87;OrderedNumericalValues;
    IDsAndValuesString;SsLi SssBe SssssBem SsBH2 SssBH SsssB SssssBm SsCH3
    SdCH2 SssCH2 StCH SdsCH SaaCH SsssCH SddC StsC SdssC SaasC SaaaC Sssss
    C SsNH3p SsNH2 SssNH2p SdNH SssNH SaaNH StN SsssNHp SdsN SaaN SsssN Sd
    0 0 0 0 0 0 0 3.975 0 -0.073 0 0 24.778 -2.270 0 0 -1.435 4.387 0 0 0
    0 0 0 3.024 0 0 0 0 0 0 0 1.993 0 29.759 25.023 0 0 0 0 14.006 0 0 0 0
    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

=head1 OPTIONS

=over 4

=item B<--AromaticityModel> I<MDLAromaticityModel | TriposAromaticityModel | MMFFAromaticityModel | ChemAxonBasicAromaticityModel | ChemAxonGeneralAromaticityModel | DaylightAromaticityModel | MayaChemToolsAromaticityModel>

Specify aromaticity model to use during detection of aromaticity. Possible values in the current
release are: I<MDLAromaticityModel, TriposAromaticityModel, MMFFAromaticityModel,
ChemAxonBasicAromaticityModel, ChemAxonGeneralAromaticityModel, DaylightAromaticityModel
or MayaChemToolsAromaticityModel>. Default value: I<MayaChemToolsAromaticityModel>.

The supported aromaticity model names along with model specific control parameters
are defined in B<AromaticityModelsData.csv>, which is distributed with the current release
and is available under B<lib/data> directory. B<Molecule.pm> module retrieves data from
this file during class instantiation and makes it available to method B<DetectAromaticity>
for detecting aromaticity corresponding to a specific model.

=item B<--CompoundID> I<DataFieldName or LabelPrefixString>

This value is B<--CompoundIDMode> specific and indicates how compound ID is generated.

For I<DataField> value of B<--CompoundIDMode> option, it corresponds to datafield label name
whose value is used as compound ID; otherwise, it's a prefix string used for generating compound
IDs like LabelPrefixString<Number>. Default value, I<Cmpd>, generates compound IDs which
look like Cmpd<Number>.

Examples for I<DataField> value of B<--CompoundIDMode>:

    MolID
    ExtReg

Examples for I<LabelPrefix> or I<MolNameOrLabelPrefix> value of B<--CompoundIDMode>:

    Compound

The value specified above generates compound IDs which correspond to Compound<Number>
instead of default value of Cmpd<Number>.

=item B<--CompoundIDLabel> I<text>

Specify compound ID column label for FP or CSV/TSV text file(s) used during I<CompoundID> value
of B<--DataFieldsMode> option. Default: I<CompoundID>.

=item B<--CompoundIDMode> I<DataField | MolName | LabelPrefix | MolNameOrLabelPrefix>

Specify how to generate compound IDs and write to FP or CSV/TSV text file(s) along with generated
fingerprints for I<FP | text | all> values of B<--output> option: use a I<SDFile(s)> datafield value;
use molname line from I<SDFile(s)>; generate a sequential ID with specific prefix; use combination
of both MolName and LabelPrefix with usage of LabelPrefix values for empty molname lines.

Possible values: I<DataField | MolName | LabelPrefix | MolNameOrLabelPrefix>.
Default: I<LabelPrefix>.

For I<MolNameAndLabelPrefix> value of B<--CompoundIDMode>, molname line in I<SDFile(s)> takes
precedence over sequential compound IDs generated using I<LabelPrefix> and only empty molname
values are replaced with sequential compound IDs.

This is only used for I<CompoundID> value of B<--DataFieldsMode> option.

=item B<--DataFields> I<"FieldLabel1,FieldLabel2,...">

Comma delimited list of I<SDFiles(s)> data fields to extract and write to CSV/TSV text file(s) along
with generated fingerprints for I<text | all> values of B<--output> option.

This is only used for I<Specify> value of B<--DataFieldsMode> option.

Examples:

    Extreg
    MolID,CompoundName

=item B<-d, --DataFieldsMode> I<All | Common | Specify | CompoundID>

Specify how data fields in I<SDFile(s)> are transferred to output CSV/TSV text file(s) along
with generated fingerprints for I<text | all> values of B<--output> option: transfer all SD
data field; transfer SD data files common to all compounds; extract specified data fields;
generate a compound ID using molname line, a compound prefix, or a combination of both.
Possible values: I<All | Common | specify | CompoundID>. Default value: I<CompoundID>.

=item B<-e, --EStateAtomTypesSetToUse> I<ArbitrarySize | FixedSize>

E-state atom types set size to use during generation of E-state indicies fingerprints.
Possible values: I<ArbitrarySize | FixedSize>; Default value: I<ArbitrarySize>.

I<ArbitrarySize> corrresponds to only E-state atom types detected in molecule; I<FixedSize>
corresponds to fixed number of previously defined E-state atom types.

For I<EStateIndicies>, a fingerprint vector string is generated. The vector string corresponding to
I<EStateIndicies> contains sum of E-state values for E-state atom types.

Module B<AtomTypes::EStateAtomTypes.pm> is used to assign E-state atom types to
non-hydrogen atoms in the molecule which is able to assign atom types to any valid
atom group. However, for I<FixedSize> value of B<EStateAtomTypesSetToUse>,
only a fixed set of E-state atom types corresponding to specific atom groups [ Appendix
III in Ref 77 ] are used for fingerprints.

The fixed size E-state atom type set size used during generation of fingerprints contains
87 E-state non-hydrogen atom types in EStateAtomTypes.csv data file distributed with
MayaChemTools.

=item B<-f, --Filter> I<Yes | No>

Specify whether to check and filter compound data in SDFile(s). Possible values: I<Yes or No>.
Default value: I<Yes>.

By default, compound data is checked before calculating fingerprints and compounds containing
atom data corresponding to non-element symbols or no atom data are ignored.

=item B<--FingerprintsLabelMode> I<FingerprintsLabelOnly | FingerprintsLabelWithIDs>

Specify how fingerprints label is generated in conjunction with B<--FingerprintsLabel> option value:
use fingerprints label generated only by B<--FingerprintsLabel> option value or append E-state
atom type value IDs to B<--FingerprintsLabel> option value.

Possible values: I<FingerprintsLabelOnly | FingerprintsLabelWithIDs>. Default value:
I<FingerprintsLabelOnly>.

This option is only used for I<FixedSize> value of B<-e, --EStateAtomTypesSetToUse> option during
generation of I<EStateIndicies> E-state fingerprints.

E-state atom type IDs appended to B<--FingerprintsLabel> value during I<FingerprintsLabelWithIDs>
values of B<--FingerprintsLabelMode> correspond to fixed number of previously defined E-state
atom types.

=item B<--FingerprintsLabel> I<text>

SD data label or text file column label to use for fingerprints string in output SD or
CSV/TSV text file(s) specified by B<--output>. Default value: I<EStateIndiciesFingerprints>.

=item B<-h, --help>

Print this help message.

=item B<-k, --KeepLargestComponent> I<Yes | No>

Generate fingerprints for only the largest component in molecule. Possible values:
I<Yes or No>. Default value: I<Yes>.

For molecules containing multiple connected components, fingerprints can be generated
in two different ways: use all connected components or just the largest connected
component. By default, all atoms except for the largest connected component are
deleted before generation of fingerprints.

=item B<--OutDelim> I<comma | tab | semicolon>

Delimiter for output CSV/TSV text file(s). Possible values: I<comma, tab, or semicolon>
Default value: I<comma>.

=item B<--output> I<SD | FP | text | all>

Type of output files to generate. Possible values: I<SD, FP, text, or all>. Default value: I<text>.

=item B<-o, --overwrite>

Overwrite existing files.

=item B<-q, --quote> I<Yes | No>

Put quote around column values in output CSV/TSV text file(s). Possible values:
I<Yes or No>. Default value: I<Yes>.

=item B<-r, --root> I<RootName>

New file name is generated using the root: <Root>.<Ext>. Default for new file
names: <SDFileName><EStateIndiciesFP>.<Ext>. The file type determines <Ext> value.
The sdf, fpf, csv, and tsv <Ext> values are used for SD, FP, comma/semicolon, and tab
delimited text files, respectively.This option is ignored for multiple input files.

=item B<--ValuesPrecision> I<number>

Precision of values for E-state indicies option. Default value: up to I<3> decimal places.
Valid values: positive integers.

=item B<-v, --VectorStringFormat> I<ValuesString | IDsAndValuesString | IDsAndValuesPairsString | ValuesAndIDsString | ValuesAndIDsPairsString>

Format of fingerprints vector string data in output SD, FP or CSV/TSV text file(s) specified by
B<--output> used for I<EStateIndicies>. Possible values: I<ValuesString, IDsAndValuesString,
IDsAndValuesPairsString, ValuesAndIDsString, ValuesAndIDsPairsString>.

Default value during I<ArbitrarySize> value of B<-e, --EStateAtomTypesSetToUse>
option: I<IDsAndValuesString>. Default value during I<FixedSize> value of
B<-e, --EStateAtomTypesSetToUse> option: I<ValuesString>.

Examples:

    FingerprintsVector;EStateIndicies:ArbitrarySize;11;NumericalValues;IDs
    AndValuesString;SaaCH SaasC SaasN SdO SdssC SsCH3 SsF SsOH SssCH2 SssN
    H SsssCH;24.778 4.387 1.993 25.023 -1.435 3.975 14.006 29.759 -0.073 3
    .024 -2.270

=item B<-w, --WorkingDir> I<DirName>

Location of working directory. Default: current directory.

=back

=head1 EXAMPLES

To generate E-state fingerprints of arbitrary size in vector string format and create a
SampleESFP.csv file containing sequential compound IDs along with fingerprints
vector strings data, type:

    % EStateIndiciesFingerprints.pl -r SampleESFP -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format and create a
SampleESFP.csv file containing sequential compound IDs along with fingerprints
vector strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize -r SampleESFP
      -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string with IDsAndValues
format and create a SampleESFP.csv file containing sequential compound IDs
along with fingerprints vector strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize -v IDsAndValuesString
      -r SampleESFP -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format
and create a SampleESFP.csv file containing compound ID from molecule
name line along with fingerprints vector strings data, type

    % EStateIndiciesFingerprints.pl -e FixedSize
      --DataFieldsMode CompoundID --CompoundIDMode MolName
      -r SampleESFP -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format
and create a SampleESFP.csv file containing compound IDs using specified
data field along with fingerprints vector strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize
      --DataFieldsMode CompoundID --CompoundIDMode DataField --CompoundID
      Mol_ID -r SampleESFP -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format
and create a SampleESFP.csv file containing compound ID using combination
of molecule name line and an explicit compound prefix along with fingerprints vector
strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize
      --DataFieldsMode CompoundID --CompoundIDMode MolnameOrLabelPrefix
      --CompoundID Cmpd --CompoundIDLabel MolID -r SampleESFP -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format 
and create a SampleESFP.csv file containing specific data fields columns along
with fingerprints vector strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize
      --DataFieldsMode Specify --DataFields Mol_ID -r SampleESFP
      -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format 
and create a SampleESFP.csv file containing common data fields columns along
with fingerprints vector strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize
     --DataFieldsMode Common -r SampleESFP -o Sample.sdf

To generate E-state fingerprints of fixed size in vector string format and create
SampleESFP.sdf, SampleESFP.fpf, and  SampleESFP.csv files containing  all data
fields columns in CSV file along with fingerprints vector strings data, type:

    % EStateIndiciesFingerprints.pl -e FixedSize
     --DataFieldsMode All --output all -r SampleESFP -o Sample.sdf

=head1 AUTHOR

Manish Sud <msud@san.rr.com>

=head1 SEE ALSO

InfoFingerprintsFiles.pl, SimilarityMatricesFingerprints.pl, AtomNeighborhoodsFingerprints.pl,
ExtendedConnectivityFingerprints.pl, MACCSKeysFingeprints.pl, PathLengthFingerprints.pl,
TopologicalAtomPairsFingerprints.pl, TopologicalAtomTorsionsFingerprints.pl,
TopologicalPharmacophoreAtomPairsFingerprints.pl, TopologicalPharmacophoreAtomTripletsFingerprints.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