#!/usr/bin/perl my $i=0; open DATA, ">>/usr/local/var/ndpmon/ndpmon_test.txt" or die "Cannot open /usr/local/var/ndpmon/ndpmon_test.txt for writing\n"; print DATA "-----\n"; while () { chomp; if ($_ ne "") { $i++; print DATA "$i: $_\n"; # print "$i: $_\n"; } } print DATA "-----\n\n"; close DATA;