88 lines
2.1 KiB
Perl
88 lines
2.1 KiB
Perl
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# Copyright (C) 2001-2013 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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package Automake::General;
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use 5.006;
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use strict;
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use Exporter;
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use File::Basename;
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use vars qw (@ISA @EXPORT);
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@ISA = qw (Exporter);
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@EXPORT = qw (&uniq $me);
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# Variable we share with the main package. Be sure to have a single
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# copy of them: using 'my' together with multiple inclusion of this
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# package would introduce several copies.
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use vars qw ($me);
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$me = basename ($0);
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# END
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# ---
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# Exit nonzero whenever closing STDOUT fails.
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sub END
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{
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# This is required if the code might send any output to stdout
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# E.g., even --version or --help. So it's best to do it unconditionally.
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if (! close STDOUT)
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{
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print STDERR "$me: closing standard output: $!\n";
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$? = 74; # EX_IOERR
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return;
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}
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}
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# @RES
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# uniq (@LIST)
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# ------------
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# Return LIST with no duplicates.
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sub uniq (@)
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{
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my @res = ();
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my %seen = ();
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foreach my $item (@_)
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{
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if (! exists $seen{$item})
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{
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$seen{$item} = 1;
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push (@res, $item);
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}
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}
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return wantarray ? @res : "@res";
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}
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1; # for require
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### Setup "GNU" style for perl-mode and cperl-mode.
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## Local Variables:
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## perl-indent-level: 2
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## perl-continued-statement-offset: 2
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## perl-continued-brace-offset: 0
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## perl-brace-offset: 0
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## perl-brace-imaginary-offset: 0
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## perl-label-offset: -2
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## cperl-indent-level: 2
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## cperl-brace-offset: 0
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## cperl-continued-brace-offset: 0
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## cperl-label-offset: -2
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## cperl-extra-newline-before-brace: t
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## cperl-merge-trailing-else: nil
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## cperl-continued-statement-offset: 2
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## End:
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