FM / Autom4te

/usr/share/autoconf/Autom4te

Name	Size	Mode	Actions
C4che.pm	5269	0644	edit dl rm
ChannelDefs.pm	14085	0644	edit dl rm
Channels.pm	20238	0644	edit dl rm
Config.pm	1425	0644	edit dl rm
Configure_ac.pm	2986	0644	edit dl rm
FileUtils.pm	8671	0644	edit dl rm
General.pm	8719	0644	edit dl rm
Getopt.pm	2283	0644	edit dl rm
Request.pm	2605	0644	edit dl rm
XFile.pm	7461	0644	edit dl rm

Edit: /usr/share/autoconf/Autom4te/Getopt.pm (2283B)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

package Autom4te::Getopt;

=head1 NAME

Autom4te::Getopt - GCS conforming parser for command line options

=head1 SYNOPSIS

use Autom4te::Getopt;

=head1 DESCRIPTION

Export a function C<parse_options>, performing parsing of command
line options in conformance to the GNU Coding standards.

=cut

use 5.006;
use strict;
use warnings FATAL => 'all';

use Carp qw (confess croak);
use Exporter ();
use Getopt::Long ();

use Autom4te::ChannelDefs qw (fatal);

our @ISA = qw (Exporter);
our @EXPORT = qw (getopt);

=item C<parse_options (%option)>

Wrapper around C<Getopt::Long>, trying to conform to the GNU
Coding Standards for error messages.

=cut

sub parse_options (%)
{
  my %option = @_;

Getopt::Long::Configure ("bundling", "pass_through");
  # Unrecognized options are passed through, so GetOption can only fail
  # due to internal errors or misuse of options specification.
  Getopt::Long::GetOptions (%option)
    or confess "error in options specification (likely)";

if (@ARGV && $ARGV[0] =~ /^-./)
    {
      my %argopts;
      for my $k (keys %option)
	{
	  if ($k =~ /(.*)=s$/)
	    {
	      map { $argopts{(length ($_) == 1)
			     ? "-$_" : "--$_" } = 1; } (split (/\|/, $1));
	    }
	}
      if ($ARGV[0] eq '--')
	{
	  shift @ARGV;
	}
      elsif (exists $argopts{$ARGV[0]})
	{
	  fatal ("option '$ARGV[0]' requires an argument\n"
		 . "Try '$0 --help' for more information.");
	}
      else
	{
	  fatal ("unrecognized option '$ARGV[0]'.\n"
		 . "Try '$0 --help' for more information.");
	}
    }
}

=back

=head1 SEE ALSO

L<Getopt::Long>

=cut

1; # for require

cmd: