ch12.062_best

来自「Perl Best Practices the source code」· 062_BEST 代码 · 共 25 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;

sub perform_cleanup { print "done\n"; }
my $cmd = 'bye';

if ( $cmd =~ m/\A (?:q | quit | bye | exit) \n? \z/xms ) {
    perform_cleanup();
    exit;
}