#!/usr/local/bin/perl5

# selects given range of lines

#check for correct usage
if ($#ARGV < 0) {
        print "usage:  sellines <from> [<to>]\n";
	print "Line count starts at 1.\n";
        exit;
};

$from = shift(@ARGV);
if (@ARGV) {
	$to = shift(@ARGV);
} else {
	$to = $from;
};

if ($to < $from) { die "<FROM> MUST BE LESS THAN <TO>!\n"; };


while (<>) {
    chop;
	$ln++;
	if ($ln > $to) {
		exit;
	};
	if ($ln >= $from ) {
		print;
	};
};