1 #!/usr/bin/perl -w
   2 #
   3 # $RCSfile: InfoPeriodicTableElements.pl,v $
   4 # $Date: 2010/01/03 00:59:52 $
   5 # $Revision: 1.18 $
   6 #
   7 # Author: Manish Sud <msud@san.rr.com>
   8 #
   9 # Copyright (C) 2004-2010 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 strict;
  30 use FindBin; use lib "$FindBin::Bin/../lib";
  31 use Getopt::Long;
  32 use File::Basename;
  33 use Text::ParseWords;
  34 use Benchmark;
  35 use FileUtil;
  36 use TextUtil;
  37 use PeriodicTable;
  38 
  39 my($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}) {
  52   die GetUsageFromPod("$FindBin::Bin/$ScriptName");
  53 }
  54 
  55 my($OutDelim, $OutQuote, $ElementRowsOutput, $FileOutput, $Precision, $OutFileName, @SpecifiedElementIDs, @SpecifiedProperies,);
  56 ProcessOptions();
  57 
  58 ListElementProperties();
  59 print "$ScriptName:Done...\n\n";
  60 
  61 $EndTime = new Benchmark;
  62 $TotalTime = timediff ($EndTime, $StartTime);
  63 print "Total time: ", timestr($TotalTime), "\n";
  64 
  65 ###############################################################################
  66 
  67 # Get propery names from categories...
  68 sub GetPropertyNamesFromCategories {
  69   my($CategoryName) = @_;
  70   my(@PropertyNames);
  71 
  72   @PropertyNames = ();
  73   if ($CategoryName =~ /^Basic$/i) {
  74     @PropertyNames = ('AtomicNumber', 'ElementSymbol', 'ElementName', 'AtomicWeight', 'GroundStateConfiguration', 'GroupNumber', 'PeriodNumber', 'FirstIonizationEnergy');
  75   } elsif ($CategoryName =~ /^BasicAndNaturalIsotope$/i) {
  76     # Natural isotope data includes: 'MassNumber', 'RelativeAtomicMass', 'NaturalAbundance'
  77     @PropertyNames = ('AtomicNumber', 'ElementSymbol', 'ElementName', 'AtomicWeight', 'GroundStateConfiguration', 'GroupNumber', 'PeriodNumber', 'FirstIonizationEnergy', 'NaturalIsotopeData');
  78   } elsif ($CategoryName =~ /^NaturalIsotope$/i) {
  79     @PropertyNames = ('AtomicNumber', 'ElementSymbol', 'ElementName', 'NaturalIsotopeData');
  80   }
  81 
  82   return @PropertyNames;
  83 }
  84 
  85 # List data for an element...
  86 sub ListElementData {
  87   my($DataLabelRef, $DataValueRef) = @_;
  88   my($Index, $Line, $Value);
  89 
  90   if ($ElementRowsOutput) {
  91     $Line = '';
  92     # Format data...
  93     if ($OutQuote || $Options{outdelim} !~ /^comma$/i) {
  94       $Line = JoinWords($DataValueRef, $OutDelim, $OutQuote);
  95     }
  96     else {
  97       # Always quote values containing commas...
  98       $Line = ($DataValueRef->[0] =~ /\,/) ? qq("$DataValueRef->[0]") : $DataValueRef->[0];
  99       for $Index (1 .. $#{$DataValueRef} ) {
 100 	$Value = $DataValueRef->[$Index];
 101 	if ($Value =~ /\,/) {
 102 	  $Value = qq("$Value");
 103 	}
 104 	$Line .= $OutDelim . $Value;
 105       }
 106     }
 107     if ($FileOutput) {
 108       print OUTFILE "$Line\n";
 109     }
 110     else {
 111       print "$Line\n";
 112     }
 113   }
 114   else {
 115     # Format and list data...
 116     $Line = '';
 117     for $Index (0 .. $#{$DataLabelRef} ) {
 118       $Line = $DataLabelRef->[$Index] . ' ' . $DataValueRef->[$Index];
 119       if ($FileOutput) {
 120 	print OUTFILE "$Line\n";
 121       }
 122       else {
 123 	print "$Line\n";
 124       }
 125     }
 126   }
 127 }
 128 
 129 # List data for an element...
 130 sub ListHeaderRowData {
 131   my($DataLabelRef) = @_;
 132   my($Line);
 133 
 134   # Format data...
 135   $Line = JoinWords($DataLabelRef, $OutDelim, $OutQuote);
 136   $Line =~ s/\://g;
 137   # List data...
 138   if ($FileOutput) {
 139     print OUTFILE "$Line\n";
 140   }
 141   else {
 142     print "$Line\n";
 143   }
 144 }
 145 
 146 # List atomic properties for elements...
 147 sub ListElementProperties {
 148   my($ElementID, $ElementDataRef, $PropertyName, $PropertyValue, $PropertyUnits, $PropertyUnitsRef, @PropertyLabels, @PropertyValues);
 149 
 150   print "Listing information for periodic table element(s)...\n";
 151 
 152   if ($FileOutput) {
 153     print "Generating file $OutFileName...\n";
 154     open OUTFILE, ">$OutFileName" or die "Couldn't open $OutFileName: $!\n";
 155   }
 156 
 157   # Setup property labels...
 158   @PropertyLabels = ();
 159   $PropertyUnitsRef = PeriodicTable::GetElementPropertiesNamesAndUnits();
 160   for $PropertyName (@SpecifiedProperies) {
 161     $PropertyUnits = (exists $PropertyUnitsRef->{$PropertyName}) ? $PropertyUnitsRef->{$PropertyName} : '';
 162     if ($PropertyName =~ /^NaturalIsotopeData$/i) {
 163       push @PropertyLabels, qw(MassNumber: RelativeAtomicMass: NaturalAbundance:);
 164     }
 165     else {
 166       push @PropertyLabels, ($PropertyUnits ? "$PropertyName ($PropertyUnits):" : "$PropertyName:");
 167     }
 168   }
 169 
 170   if ($ElementRowsOutput) {
 171     ListHeaderRowData(\@PropertyLabels);
 172   }
 173 
 174   # Go over specified properties...
 175   for $ElementID (@SpecifiedElementIDs) {
 176     $ElementDataRef = PeriodicTable::GetElementPropertiesData($ElementID);
 177 
 178     if (!$ElementRowsOutput) {
 179       if ($FileOutput) {
 180 	print OUTFILE "\nListing atomic properties for element $ElementID...\n\n";
 181       }
 182       else {
 183 	print "\nListing atomic properties for element $ElementID...\n\n";
 184       }
 185     }
 186 
 187     # Collect data..
 188     @PropertyValues = ();
 189     for $PropertyName (@SpecifiedProperies) {
 190       if ($PropertyName =~ /^NaturalIsotopeData$/i) {
 191 	push @PropertyValues, SetupIsotopeData($ElementID);
 192       }
 193       else {
 194 	$PropertyValue = $ElementDataRef->{$PropertyName};
 195 	if (IsFloat($PropertyValue)) {
 196 	  $PropertyValue = sprintf("%.${Precision}f", $PropertyValue) + 0;
 197 	}
 198 	push @PropertyValues, $PropertyValue;
 199       }
 200     }
 201     # List data...
 202     ListElementData(\@PropertyLabels, \@PropertyValues);
 203   }
 204   if ($FileOutput) {
 205     close OUTFILE;
 206   }
 207   print "\n";
 208 }
 209 
 210 # Setup isotope data strings...
 211 sub SetupIsotopeData {
 212   my($ElementID) = @_;
 213   my($MassNumber, $RelativeAtomicMass, $NaturalAbundance, $NaturalIsotopeDataRef, @MassNumbers, @RelativeAtomicMasses, @NaturalAbundances);
 214 
 215   # Get natural isotope data: MassNumber, RelativeAtomicMass and NaturalAbundance
 216   @MassNumbers = (); @RelativeAtomicMasses = (); @NaturalAbundances = ();
 217   $NaturalIsotopeDataRef = PeriodicTable::GetElementNaturalIsotopesData($ElementID);
 218   for $MassNumber (sort {$a <=> $b} keys %{$NaturalIsotopeDataRef}) {
 219     $RelativeAtomicMass = $NaturalIsotopeDataRef->{$MassNumber}{RelativeAtomicMass};
 220     $NaturalAbundance = $NaturalIsotopeDataRef->{$MassNumber}{NaturalAbundance};
 221     push @MassNumbers, $MassNumber;
 222     $RelativeAtomicMass = ($RelativeAtomicMass > 0) ? (sprintf("%.${Precision}f", $RelativeAtomicMass) + 0) : '';
 223     push @RelativeAtomicMasses, $RelativeAtomicMass;
 224     $NaturalAbundance = ($NaturalAbundance > 0) ? (sprintf("%.${Precision}f", $NaturalAbundance) + 0) : '';
 225     push @NaturalAbundances, $NaturalAbundance;
 226   }
 227   $MassNumber = JoinWords(\@MassNumbers, ",", 0);
 228   $RelativeAtomicMass = JoinWords(\@RelativeAtomicMasses, ",", 0);
 229   $NaturalAbundance = JoinWords(\@NaturalAbundances, ",", 0);
 230   return ($MassNumber, $RelativeAtomicMass, $NaturalAbundance);
 231 }
 232 
 233 # Process option values...
 234 sub ProcessOptions {
 235   $OutDelim = ($Options{outdelim} =~ /^tab$/i ) ? "\t" : (($Options{outdelim} =~ /^semicolon$/i) ? "\;" : "\,");
 236   $OutQuote = ($Options{quote} =~ /^yes$/i) ? 1 : 0;
 237 
 238   $ElementRowsOutput = ($Options{outputstyle} =~ /^ElementRows$/i) ? 1 : 0;
 239   $FileOutput = ($Options{output} =~ /^File$/i) ? 1 : 0;
 240 
 241   $Precision = $Options{precision};
 242 
 243   my($ElementID, @ElementIDs, @GroupElements, @PeriodElements, %GroupNamesMap);
 244 
 245   @SpecifiedElementIDs = ();
 246   if (@ARGV >=1 && ($Options{mode} =~ /^All$/i) ) {
 247     warn "Warning: Ignoring comman line element IDs: Not valid for All value of \"-m --mode\" option...\n";
 248   }
 249 
 250   # Set up element IDs except for All mode...
 251   @ElementIDs = ();
 252   %GroupNamesMap = ();
 253 
 254   if (@ARGV >=1 ) {
 255     if ($Options{mode} !~ /^All$/i) {
 256       push @ElementIDs, @ARGV;
 257     }
 258   }
 259   else {
 260     # Setup mode specified default values...
 261     my($Nothing);
 262     MODE: {
 263 	if ($Options{mode} =~ /^ElementID$/i) { push @ElementIDs, 'H'; last MODE; };
 264 	if ($Options{mode} =~ /^AmericanGroupLabel$/i) { push @ElementIDs, 'IA'; last MODE; };
 265 	if ($Options{mode} =~ /^EuropeanGroupLabel$/i) { push @ElementIDs, 'IA'; last MODE; };
 266 	if ($Options{mode} =~ /^GroupNumber$/i) { push @ElementIDs, '1'; last MODE; };
 267 	if ($Options{mode} =~ /^GroupName$/i) { push @ElementIDs, 'AlkaliMetals'; last MODE; };
 268 	if ($Options{mode} =~ /^PeriodNumber$/i) { push @ElementIDs, '1'; last MODE; };
 269 	$Nothing = 1;
 270       }
 271   }
 272   if ($Options{mode} =~ /^GroupName$/i) {
 273     # Map group names to what's stored in Perioidic table data file...
 274     %GroupNamesMap = ('alkalimetals', 'Alkali metal', 'alkalineearthmetals', 'Alkaline earth metal', 'chalcogens', 'Chalcogen', 'coinagemetals', 'Coinage metal', 'halogens', 'Halogen', 'noblegases', 'Noble gas', 'pnictogens', 'Pnictogen', 'lanthanides', 'Lanthanoid', 'lanthanoids', 'Lanthanoid', 'actinides', 'Actinoid', 'actinoids', 'Actinoid' );
 275   }
 276 
 277   # Generate list of elements...
 278   if ($Options{mode} =~ /^All$/i) {
 279     push @SpecifiedElementIDs, PeriodicTable::GetElements();
 280   }
 281   else {
 282     ELEMENTID: for $ElementID (@ElementIDs) {
 283       if ($Options{mode} =~ /^ElementID$/i) {
 284 	if (PeriodicTable::IsElement($ElementID)) {
 285 	  push @SpecifiedElementIDs, $ElementID;
 286 	}
 287 	else {
 288 	  warn "Ignoring element ID, $ElementID, specified using command line parameter: Unknown element ID...\n";
 289 	  next ELEMENTID;
 290 	}
 291       }
 292       elsif ($Options{mode} =~ /^AmericanGroupLabel$/i) {
 293 	if (@GroupElements = PeriodicTable::GetElementsByAmericanStyleGroupLabel($ElementID)) {
 294 	  push @SpecifiedElementIDs, @GroupElements;
 295 	}
 296 	else {
 297 	  warn "Ignoring American style group label, $ElementID, specified using command line parameter: Unknown group label...\n";
 298 	  next ELEMENTID;
 299 	}
 300       }
 301       elsif ($Options{mode} =~ /^EuropeanGroupLabel$/i) {
 302 	if (@GroupElements = PeriodicTable::GetElementsByEuropeanStyleGroupLabel($ElementID)) {
 303 	  push @SpecifiedElementIDs, @GroupElements;
 304 	}
 305 	else {
 306 	  warn "Ignoring American style group label, $ElementID, specified using command line parameter: Unknown group label...\n";
 307 	  next ELEMENTID;
 308 	}
 309       }
 310       elsif ($Options{mode} =~ /^GroupNumber$/i) {
 311 	if (@GroupElements = PeriodicTable::GetElementsByGroupNumber($ElementID)) {
 312 	  push @SpecifiedElementIDs, @GroupElements;
 313 	}
 314 	else {
 315 	  warn "Ignoring group number, $ElementID, specified using command line parameter: Unknown group number...\n";
 316 	  next ELEMENTID;
 317 	}
 318       }
 319       elsif ($Options{mode} =~ /^GroupName$/i) {
 320 	if (exists $GroupNamesMap{lc($ElementID)}) {
 321 	  @GroupElements = PeriodicTable::GetElementsByGroupName($GroupNamesMap{lc($ElementID)});
 322 	  push @SpecifiedElementIDs, @GroupElements;
 323 	}
 324 	else {
 325 	  warn "Ignoring group name, $ElementID, specified using command line parameter: Unknown group name...\n";
 326 	  next ELEMENTID;
 327 	}
 328       }
 329       elsif ($Options{mode} =~ /^PeriodNumber$/i) {
 330 	if (@GroupElements = PeriodicTable::GetElementsByPeriodNumber($ElementID)) {
 331 	  push @SpecifiedElementIDs, @GroupElements;
 332 	}
 333 	else {
 334 	  warn "Ignoring period number, $ElementID, specified using command line parameter: Unknown period number...\n";
 335 	  next ELEMENTID;
 336 	}
 337       }
 338     }
 339   }
 340   SetupSpecifiedProperties();
 341 
 342   # Setup output file name...
 343   $OutFileName = '';
 344   if ($FileOutput) {
 345     my($OutFileRoot, $OutFileExt);
 346 
 347     $OutFileRoot = '';
 348     $OutFileExt = "csv";
 349     if ($Options{outdelim} =~ /^tab$/i) {
 350       $OutFileExt = "tsv";
 351     }
 352     if ($Options{root}) {
 353       my ($RootFileDir, $RootFileName, $RootFileExt) = ParseFileName($Options{root});
 354       if ($RootFileName && $RootFileExt) {
 355 	$OutFileRoot = $RootFileName;
 356       }
 357       else {
 358 	$OutFileRoot = $Options{root};
 359       }
 360     }
 361     else {
 362       $OutFileRoot = 'PeriodicTableElementsInfo' . $Options{mode};
 363     }
 364     $OutFileName = $OutFileRoot . '.' . $OutFileExt;
 365     if (!$Options{overwrite}) {
 366       if (-e $OutFileName) {
 367 	die "Error: Output file, $OutFileName, already exists.\nUse \-o --overwrite\ option or specify a different name using \"-r --root\" option.\n";
 368       }
 369     }
 370   }
 371 }
 372 
 373 # Setup properties to list...
 374 sub SetupSpecifiedProperties {
 375   # Make sure atomic appropriate properties/category names are specified...
 376   @SpecifiedProperies = ();
 377   if ($Options{properties} && ($Options{propertiesmode} =~ /^All$/i) ) {
 378     warn "Warning: Ignoring values specifed by \"-p --properties\" option: Not valid for All value of \"--propertiesmode\" option...\n";
 379   }
 380   if ($Options{propertiesmode} =~ /^All$/i) {
 381     if ($Options{propertieslisting} =~ /^Alphabetical$/i) {
 382       push @SpecifiedProperies, PeriodicTable::GetElementPropertiesNames('Alphabetical');
 383     }
 384     else {
 385       push @SpecifiedProperies, PeriodicTable::GetElementPropertiesNames();
 386     }
 387     push @SpecifiedProperies, 'NaturalIsotopeData';
 388   }
 389   else {
 390     if ($Options{properties}) {
 391       if ($Options{propertiesmode} =~ /^Categories$/i) {
 392 	# Check category name...
 393 	if ($Options{properties} !~ /^(Basic|BasicAndNaturalIsotope|NaturalIsotope)$/i) {
 394 	  die "Error: The value specified, $Options{properties}, for option \"-p --properties\" in conjunction with \"Categories\" value for option \"--propertiesmode\" is not valid. Allowed values: Basic, BasicAndNaturalIsotope, NaturalIsotope\n";
 395 	}
 396 	# Set propertynames...
 397 	push @SpecifiedProperies, GetPropertyNamesFromCategories($Options{properties});
 398       }
 399       else {
 400 	# Check property names..
 401 	my($Name, $PropertyName, @Names);
 402 	@Names = split /\,/, $Options{properties};
 403 	NAME: for $Name (@Names) {
 404 	  $PropertyName = RemoveLeadingAndTrailingWhiteSpaces($Name);
 405 	  if ($PropertyName =~ /^NaturalIsotopeData$/i) {
 406 	    push @SpecifiedProperies, $PropertyName;
 407 	    next NAME;
 408 	  }
 409 	  if (PeriodicTable::IsElementProperty($PropertyName)) {
 410 	    push @SpecifiedProperies, $PropertyName;
 411 	  }
 412 	  else {
 413 	    warn "Warning: Ignoring value, $Name, specifed by \"-p --properties\" option: Unknown property name...\n";
 414 	  }
 415 	}
 416 	if ($Options{propertieslisting} =~ /^Alphabetical$/i) {
 417 	  # AtomicNumber, ElementSymbol and ElementName are always listed first and
 418 	  # NaturalIsotopeData in the end...
 419 	  my($AtomicNumberPresent, $ElementSymbolPresent, $ElementNamePresent, $NaturalIsotopeDataPresent, @AlphabeticalProperties, %PropertiesMap);
 420 	  %PropertiesMap = ();
 421 	  @AlphabeticalProperties = ();
 422 	  $AtomicNumberPresent = 0; $ElementSymbolPresent = 0; $ElementNamePresent = 0; $NaturalIsotopeDataPresent = 0;
 423 	  NAME: for $Name (@SpecifiedProperies) {
 424 	    if ($Name =~ /^AtomicNumber$/i) {
 425 	      $AtomicNumberPresent = 1;
 426 	      next NAME;
 427 	    }
 428 	    if ($Name =~ /^ElementSymbol$/i) {
 429 	      $ElementSymbolPresent = 1;
 430 	      next NAME;
 431 	    }
 432 	    if ($Name =~ /^ElementName$/i) {
 433 	      $ElementNamePresent = 1;
 434 	      next NAME;
 435 	    }
 436 	    if ($Name =~ /^NaturalIsotopeData$/i) {
 437 	      $NaturalIsotopeDataPresent = 1;
 438 	      next NAME;
 439 	    }
 440 	    $PropertiesMap{$Name} = $Name;
 441 	  }
 442 	  # Setup the alphabetical list...
 443 	  if ($AtomicNumberPresent) {
 444 	    push @AlphabeticalProperties, 'AtomicNumber';
 445 	  }
 446 	  if ($ElementSymbolPresent) {
 447 	    push @AlphabeticalProperties, 'ElementSymbol';
 448 	  }
 449 	  if ($ElementNamePresent) {
 450 	    push @AlphabeticalProperties, 'ElementName';
 451 	  }
 452 	  for $Name (sort keys %PropertiesMap) {
 453 	    push @AlphabeticalProperties, $Name;
 454 	  }
 455 	  if ($NaturalIsotopeDataPresent) {
 456 	    push @AlphabeticalProperties, 'NaturalIsotopeData';
 457 	  }
 458 	  @SpecifiedProperies = ();
 459 	  push @SpecifiedProperies, @AlphabeticalProperties;
 460 	}
 461       }
 462     }
 463     else {
 464       # Set default value...
 465       push @SpecifiedProperies, GetPropertyNamesFromCategories('Basic');
 466     }
 467   }
 468 }
 469 
 470 # Setup script usage  and retrieve command line arguments specified using various options...
 471 sub SetupScriptUsage {
 472 
 473   # Retrieve all the options...
 474   %Options = ();
 475   $Options{mode} = "ElementID";
 476   $Options{outdelim} = "comma";
 477   $Options{output} = "STDOUT";
 478   $Options{outputstyle} = "ElementBlock";
 479   $Options{precision} = 4;
 480   $Options{propertiesmode} = "Categories";
 481   $Options{propertieslisting} = "ByGroup";
 482   $Options{quote} = "yes";
 483 
 484   if (!GetOptions(\%Options, "help|h", "mode|m=s", "outdelim=s", "output=s", "outputstyle=s", "overwrite|o", "precision=i", "properties|p=s", "propertieslisting=s", "propertiesmode=s", "quote|q=s", "root|r=s", "workingdir|w=s")) {
 485     die "\nTo get a list of valid options and their values, use \"$ScriptName -h\" or\n\"perl -S $ScriptName -h\" command and try again...\n";
 486   }
 487   if ($Options{workingdir}) {
 488     if (! -d $Options{workingdir}) {
 489       die "Error: The value specified, $Options{workingdir}, for option \"-w --workingdir\" is not a directory name.\n";
 490     }
 491     chdir $Options{workingdir} or die "Error: Couldn't chdir $Options{workingdir}: $! \n";
 492   }
 493   if ($Options{mode} !~ /^(ElementID|AmericanGroupLabel|EuropeanGroupLabel|GroupNumber|GroupName|PeriodNumber|All)$/i) {
 494     die "Error: The value specified, $Options{mode}, for option \"-m --mode\" is not valid. Allowed values: ElementID, AmericanGroupLabel, EuropeanGroupLabel, GroupNumber, GroupName, PeriodNumber, or All\n";
 495   }
 496   if ($Options{outdelim} !~ /^(comma|semicolon|tab)$/i) {
 497     die "Error: The value specified, $Options{outdelim}, for option \"--outdelim\" is not valid. Allowed values: comma, tab, or semicolon\n";
 498   }
 499   if ($Options{output} !~ /^(STDOUT|File)$/i) {
 500     die "Error: The value specified, $Options{output}, for option \"--output\" is not valid. Allowed values: STDOUT or File\n";
 501   }
 502   if ($Options{outputstyle} !~ /^(ElementBlock|ElementRows)$/i) {
 503     die "Error: The value specified, $Options{outputstyle}, for option \"--outputstyle\" is not valid. Allowed values: ElementBlock or ElementRows\n";
 504   }
 505   if (!IsPositiveInteger($Options{precision})) {
 506     die "Error: The value specified, $Options{precision}, for option \"-p --precision\" is not valid. Allowed values: > 0 \n";
 507   }
 508   if ($Options{propertiesmode} !~ /^(Categories|Names|All)$/i) {
 509     die "Error: The value specified, $Options{propertiesmode}, for option \"--propertiesmode\" is not valid. Allowed values: Categories, Names, or All\n";
 510   }
 511   if ($Options{propertieslisting} !~ /^(ByGroup|Alphabetical)$/i) {
 512     die "Error: The value specified, $Options{propertieslisting}, for option \"--propertieslisting\" is not valid. Allowed values: ByGroup, or Alphabetical\n";
 513   }
 514   if ($Options{quote} !~ /^(yes|no)$/i) {
 515     die "Error: The value specified, $Options{quote}, for option \"-q --quote\" is not valid. Allowed values: yes or no\n";
 516   }
 517 }
 518