ch10.007_best

来自「Perl Best Practices the source code」· 007_BEST 代码 · 共 29 行

##############################################################################
##   Code fragment (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 $filename = $PROGRAM_NAME;

use Symbol qw( gensym );
 
# and later...
 
my $FILE = gensym();
open $FILE, '<', $filename
    or croak "Can't open '$filename': $OS_ERROR";

use Data::Dumper 'Dumper';
warn Dumper [ <$FILE> ];