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# ex:ts=8 sw=4:
# $OpenBSD: Find.pm,v 1.2 2005/03/05 11:02:35 espie Exp $
# Copyright (c) 2000-2004 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

use strict;
use warnings;
package OpenBSD::Makewhatis::Find;

use File::Find;


# $list = find_manpages($dir)
#
#   find all manpages under $dir, trim some duplicates.
#
sub find_manpages($)
{
    my $dir = shift;
    my ($list, %nodes);
    $list=[];
    find(
	sub {
	    return unless m/\.[\dln]\w*(?:\.Z|\.gz)?$/;
	    return unless -f $_;
	    my $unique = (stat _)[0]."/".(stat _)[1];
	    return if defined $nodes{$unique};
	    $nodes{$unique} = 1;
	    push(@$list, $File::Find::name);
	}, $dir);
    return $list;
}

1;