ch05.022_prob

来自「Perl Best Practices the source code」· 022_PROB 代码 · 共 42 行

022_PROB
42
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################################################################################ Code fragment (NOT RECOMMENDED) from Chapter 5 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 Data::Alias;use Readonly;Readonly my $STD_HEADER => '<html><head>Std header</head>';my $html = <<'END_BODY';Non-standard header.<body>    Body here</body>Other stuff hereEND_BODYsub verify_body {    my ($body) = @_;    return $body;}$html =~ s{.*? (<body> .* </body>) .*}      # Locate components of page          {   $STD_HEADER                   # Ensure standard header is used            . verify_body($1)               # Check contents            . '</html>'                     # Remove any trailing extras          }exms;use Data::Dumper 'Dumper';warn Dumper [ $html ];

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