ch12.120_best

来自「Perl Best Practices the source code」· 120_BEST 代码 · 共 35 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;


Readonly my %IS_EXIT_WORD 
    => map { ($_ => 1) } qw( 
           q  quit  bye  exit  stop  done  last  finish  aurevoir
       );
 
# and later...
 
# Quit command has several variants...

COMMAND:
for my $cmd ( qw( hi how are you finish) ) {
    last COMMAND if $IS_EXIT_WORD{$cmd};
    print "Executing: $cmd\n";
}