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#!/usr/bin/perl
=head1 NAME
Debconf::Path - path searching
=cut
package Debconf::Path;
use warnings;
use strict;
use File::Spec;
=head1 DESCRIPTION
This module helps debconf test whether programs are available on the
executable search path.
=head1 METHODS
=over 4
=item find
Return true if and only if the given program exists on the path.
=cut
sub find {
my $program=shift;
my @path=File::Spec->path();
for my $dir (@path) {
my $file=File::Spec->catfile($dir, $program);
return 1 if -x $file;
}
return '';
}
=back
=head1 AUTHOR
Colin Watson <cjwatson@debian.org>
=cut
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