use strict;
use warnings;

#start and end number from another file
my $start = '20';
my $end = '100';

#reading another file, to retrieve info based on if the 
#$start and $end numbers above falls in the range 
#specified in a given line..

while (my $line = <DATA>){
        chomp $line;
        my @cols = split(/\t/, $line);

        # the range from a different file 
        $startPosition = $cols[1];
        $endPosition = $cols[2];
        
        #here how should I check if the $start and $end 
        #in the range of $startPosition and $endPosition?
       {
              #if true print line
              print $line, "\n";
        }
   }

##</code><code>##

<DATA>
CP1006	100	200
CP1006	110	200
CP1006	40	100
SPS008	60	110