OpenGrok

#------------------------------------------------------------------------------
# $File: perl,v 1.20 2012/06/21 01:16:49 christos Exp $
# perl:  file(1) magic for Larry Wall's perl language.
#
# The `eval' lines recognizes an outrageously clever hack.
# Keith Waclena <keith (a] cerberus.uchicago.edu>
# Send additions to <perl5-porters (a] perl.org>
0	search/1/w	#!\ /bin/perl			Perl script text executable
!:mime	text/x-perl
0	search/1	eval\ "exec\ /bin/perl		Perl script text
!:mime	text/x-perl
0	search/1/w	#!\ /usr/bin/perl		Perl script text executable
!:mime	text/x-perl
0	search/1	eval\ "exec\ /usr/bin/perl	Perl script text
!:mime	text/x-perl
0	search/1/w	#!\ /usr/local/bin/perl		Perl script text executable
!:mime	text/x-perl
0	search/1	eval\ "exec\ /usr/local/bin/perl	Perl script text
!:mime	text/x-perl
0	search/1	eval\ '(exit\ $?0)'\ &&\ eval\ 'exec	Perl script text
!:mime	text/x-perl
0	search/1	#!/usr/bin/env\ perl	Perl script text executable
!:mime	text/x-perl
0	search/1	#!\ /usr/bin/env\ perl	Perl script text executable
!:mime	text/x-perl

# by Dmitry V. Levin and Alexey Tourbin
# check the first line
0	search/1	package
>0	regex		\^package[\ \t]+[0-9A-Za-z_:]+\ *;	Perl5 module source text
!:strength + 10
# not 'p', check other lines
0	search/1	!p
>0	regex		\^package[\ \t]+[0-9A-Za-z_:]+\ *;
>>0	regex		\^1\ *;|\^(use|sub|my)\ .*[(;{=]	Perl5 module source text
!:strength + 10

# Perl POD documents
# From: Tom Hukins <tom (a] eborcom.com>
0	search/1/W	\=pod\n		Perl POD document text
0	search/1/W	\n\=pod\n	Perl POD document text
0	search/1/W	\=head1\ 	Perl POD document text
0	search/1/W	\n\=head1\ 	Perl POD document text
0	search/1/W	\=head2\ 	Perl POD document text
0	search/1/W	\n\=head2\ 	Perl POD document text
0	search/1/W	\=encoding\ 	Perl POD document text
0	search/1/W	\n\=encoding\ 	Perl POD document text


# Perl Storable data files.
0	string	perl-store	perl Storable (v0.6) data
>4	byte	>0	(net-order %d)
>>4	byte	&01	(network-ordered)
>>4	byte	=3	(major 1)
>>4	byte	=2	(major 1)

0	string	pst0	perl Storable (v0.7) data
>4	byte	>0
>>4	byte	&01	(network-ordered)
>>4	byte	=5	(major 2)
>>4	byte	=4	(major 2)
>>5	byte	>0	(minor %d)