ch10.063_best

来自「Perl Best Practices the source code」· 063_BEST 代码 · 共 27 行

##############################################################################
##   Code fragment (Recommended) from Chapter 10 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;


CODE: 
while (my $ord = prompt -integer, 'Enter a code (zero to quit): ') {
    if ($ord == 0) {
        exit if prompt -yn, 'Really quit? ';
        next CODE;
    }
    print qq{Character $ord is: '}, chr($ord), qq{'\n};
}