Im going with empty string or null. 

-----Original Message-----
From: Irfan J Sayed (isayed) [mailto:[EMAIL PROTECTED] 
Sent: 20 August 2008 14:34
To: beginners@perl.org
Subject: doubt

Hi All,

Can you please tell me what is the value of $file. When i execute this
script . it says "Can't open : No such file or directory"

Please suggect.

Regards

Irf.

#!/usr/bin/perl

# file: count_lines.pl

# Figure 1.4: Count the lines of a file

use strict;

use IO::File;

my $file = shift;

my $counter = 0;

my $fh = IO::File->new($file) or die "Can't open $file: $!\n";

while ( defined (my $line = $fh->getline) ) {

$counter++;

}

STDOUT->print("Counted $counter lines\n");


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