ch06.061_prob

来自「Perl Best Practices the source code」· 061_PROB 代码 · 共 46 行

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 6 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;

my @disqualified_candidates = qw(
    Nixon
    Washington
    Clinton
    Bush
);
open my $headline, '>-' or croak $OS_ERROR;

# Victimize someone at random...
my $scapegoat = $disqualified_candidates[rand @disqualified_candidates];
 
# Unless there's a juicier story...
SEARCH: 
for my $name (@disqualified_candidates) {
    if (chopped_down_cherry_tree($name)) {
        $scapegoat = $name;
        last SEARCH;
    }
}
 
# Publish and be-damn...
print {$headline} "Disgraced $scapegoat Disqualified From Election!!!\n";



sub chopped_down_cherry_tree {
    my ($name) = @_;
    return $name eq 'Washington';
}