ch02.033_prob

来自「Perl Best Practices the source code」· 033_PROB 代码 · 共 26 行

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 2 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;


while (my $line = <>) {
  chomp $line;
  if ( $line =~ s{\A (\s*) -- ([^\n]*) }{$1#$2}xms ) {
    push @comments, $2;
  }
  print $line;
}