Hello Monks,

I have a piece of code which checks if a string is an IP Address or not and prints a 1 if the string is a valid IP and 0 otherwise. 

#!/usr/bin/perl

use strict;
use warnings;

main();
exit;

###############################################

sub main {

    my $ip = qq{127.0.0.1};
    print "IP Validity Status:". validate_ip_addr($ip),$/;
}

sub validate_ip_addr {

    my ($addr_to_check) = shift;
    return ( $addr_to_check =~ m/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/
+ );
}

[download]
If the ip is valid, this piece of code prints: 
IP Validity Status:1

[download]
However, if the IP is invalid, what I see is: 
IP Validity Status:

[download]
How do I make it print: 
IP Validity Status:0

[download]
?

TIA,

In reply to printing true false values by HarshaHegde

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.