Thanks for the reply I am doing it in this way : 

#/usr/bin/perl -w

use strict ;

my $outFile= "output.txt";
my $inFile= "infile.txt";
my $start=17;
my $end=30;

my $perlcmd="perl -ne 'print if \$. >= $start && \$. <= $end' $inFile 
+>>$outFile";

system($perlcmd);

[download]

This is working what I expect but plz tell is this the best way or their is a fast and better way.

In reply to Re^2: System command not working by muchyog
in thread System command not working by muchyog

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