ch10.035_prob

来自「Perl Best Practices the source code」· 035_PROB 代码 · 共 28 行

##############################################################################
## Code fragment (NOT 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;

my $file_name = $PROGRAM_NAME;

my $text = do { 
    open my $fh, '<', $file_name or croak "$file_name: $OS_ERROR"; 
    local $/; 
    <$fh>;
};


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