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$OpenBSD: OpenBSD::PkgSpec.pod,v 1.8 2010/06/30 10:51:04 espie Exp $
=head1 NAME
OpenBSD::PkgSpec - C<packages-specs(7)> handling
=head1 SYNOPSIS
use OpenBSD::Search; # which pulls in OpenBSD::PkgSpec when needed
my $spec = OpenBSD::Search::PkgSpec->new($pattern);
@sublist = $spec->filter(@list);
=head1 DESCRIPTION
C<OpenBSD::PkgSpec> is the canonical interface to C<packages-specs(7)>
handling.
A package specification C<$pattern> is a string that can be used to
extract matching package names from a C<@list>. The resulting list
C<@sublist> will only hold the package names that match the specification.
For performance reason, the result may contain duplicates.
Note that any pattern will create a C<PkgSpec> object. If the syntax is
incorrect, the resulting object won't match anything. Use
C<$spec-E<gt>is_valid> to check for correctness.
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