ch04.045_prob

来自「Perl Best Practices the source code」· 045_PROB 代码 · 共 28 行

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 4 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 $usage = "Usage: $0 <file> [-full] [-o] [-beans]\n"
            . "Options:\n"
            . "    -full  : produce a full dump\n"
            . "    -o     : dump in octal\n"
            . "    -beans : source is Java\n"
            ;



print $usage;