hi, I am new to perl programming and have a doubt on checking the length and chomp of the scalar variable. My code is as follows :- 
#!/usr/bin/perl -w

use strict;
use warnings;

print "Enter the string =";
my $str = <STDIN>;
print "Enter the size =";
my $n = <STDIN>;
print "The Length of the string = ",length($str);

if ($n <= length($str)){
my $x = pretty_print($str,$n);
print "\nThe substring is =  ",$x;
}

else{
print"\nThe length of the string is shorter than the size ";
}

sub pretty_print{
my ($dna,$len) = @_;
my $substring = substr($dna,0,$len);
return $substring;
}

[download]
When I am trying to run it. For ex: 
Enter the string =snape
Enter the size =4
The Length of the string = 6
The substring is = snap

[download]
I am not sure why I am getting my length as 6 and not 5. I have tried with various examples but I am getting the length as one more than the actual length. Also, when I am trying chomp the $str after the 7th line, I am getting the length as 1. Can you please let me know the reasons regarding it ? Thanks.

In reply to Length and Chomp ?? by snape

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