#! /bin/sh
#!perl -w # --*- Perl -*--
eval 'exec perl -x $0 ${1+"$@"}'
    if 0;
#------------------------------------------------------------------------------
#$Author: antanas $
#$Date: 2017-05-24 20:10:55 +0300 (Tr, 24 geg. 2017) $ 
#$Revision: 5322 $
#$URL: svn://www.crystallography.net/cod-tools/tags/v2.3/scripts/formula_sum $
#------------------------------------------------------------------------------
#*
#* Parse and print the chemical formula sum as described in the CIF
#* _chemical_formula_sum data item.
#*
#* USAGE: $0 sum.lst
#* USAGE: $0 sum1.lst sum*.lst
#**

use strict;
use warnings;
use COD::SOptions qw( getOptions );
use COD::SUsage qw( usage );
use COD::ToolsVersion;

#* OPTIONS:
#*   --help, --usage
#*                     Output a short usage message (this message) and exit.
#*   --version
#*                     Output version information and exit.
#**
@ARGV = getOptions(
    "--help,--usage"    => sub { usage; exit },
    '--version'         => sub { print 'cod-tools version ',
                                 $COD::ToolsVersion::Version, "\n";
                                 exit }
);

@ARGV = ("-") unless @ARGV;

use COD::Formulae::Parser::IUCr;

foreach my $filename ( @ARGV ) {
    my $p = COD::Formulae::Parser::IUCr->new;
    $p->Run($filename);
    $p->PrintFormula;
}
