Select Code to Download

perl -ne 'print if $. >= 17 && $. <= 30' infile.txt > output.txt

perl -ne 'print if 17 .. 30' infile.txt > output.txt

open INFILE,  '<', $inFile  or die "Can't open $inFile : $!";
open OUTFILE, '>', $outFile or die "Can't open $outFile : $!"; 
...
close INFILE or die "can't close $inFile : $!"; 
close OUTFILE or die "can't close $outFile : $!";