$numHeaders= $ARGV[0];
$numFooters= $ARGV[1];
#count number of lines in file
open (INPUT, $l_infile);
for (){};
$numLines= $.;
close(INPUT);
open (INPUT, $l_infile);
while()
{
my @fields = split "," , $_;
if ($. != $numHeaders && $. <= $numLines-$numFooters)
{
# do parsing work and print
}
}
close (INPUT);