ch06.084_prob

来自「Perl Best Practices the source code」· 084_PROB 代码 · 共 30 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;

Readonly my $EMPTY_STR => q{};
my $name = 'Evelyn Waugh, PhD';

                # Name format...                                Salutation...
my $salute = $name eq $EMPTY_STR                     ? 'Dear Customer'
           : $name =~ m/\A((?:Sir|Dame) \s+ \S+)/xms ? "Dear $1"
           : $name =~ m/(.*), \s+ Ph[.]?D \z    /xms ? "Dear Dr $1"
           ;



use Data::Dumper 'Dumper';
warn Dumper [ $salute ];