ch12.007_best

来自「Perl Best Practices the source code」· 007_BEST 代码 · 共 37 行

##############################################################################
##   Code fragment (Recommended) from Chapter 12 of "Perl Best Practices"   ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
##############################################################################


# Standard modules...
use strict;
use warnings;
use IO::Prompt;
use Carp;
use English qw( -no_match_vars );
use Data::Alias;
use Readonly;

use Perl6::Slurp;
my $text = slurp $PROGRAM_NAME;

# Find the end of a Perl program...
croak 'matched!' if
 
$text =~ m{ [^\0]*?     # any non-nulls
            ^__END__$   # until an end-marker line
          }xm;

$text =~ m{ [^\0]*?     # match the minimal number of chars
            ^           # until the start of any line (/m mode)
            __END__     # then match the end-marker
            $           # then match the end of a line (/m mode)
          }xm;



__END__
Data here