📄 ch06.069_prob
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################################################################################ 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 @pm_files = qw( Eat.pm At.pm Joes.pm);# Select .pm files for which no corresponding .pl file exists...my @pm_files_without_pl_files = grep { s/.pm\z/.pl/xms && !-e } @pm_files;use Data::Dumper 'Dumper';warn Dumper [ @pm_files_without_pl_files ];warn Dumper [ @pm_files ];
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