ch10.027_best

来自「Perl Best Practices the source code」· 027_BEST 代码 · 共 56 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;

Readonly my $SPACE => q{ };


sub get_C_code {
    my ($file_name) = @_;
 
    # Get a handle on the code...
    open my $in, '<', $file_name
        or croak "Can't open C file '$file_name': $OS_ERROR";
 
    # Read it all in...
    my $code = do { local $/; <$in> };

 
    # Convert any C-style comment to a single space
    use Regexp::Common;
    $code =~ s{ $RE{comment}{C} }{$SPACE}gxms;
 
    return $code;
}


my $data = do {local $/; <DATA>};

print get_C_code(\$data);

__DATA__
/* Imagine a language that
   didn't even have I/O build in...
*/
#include stdio.h

/* Or a genuine
   array type...
*/
int
main(int argc, char *argv[]) {
    printf "Noooooooooo!!!!!!!\n";
}