#!/usr/bin/perl use warnings; use strict; while (<>) { chomp; s/#.*$//; s/^\s+//; s/\s+$//; next if /^$/; die "format error: $_" if not (my ($a, $b) = /^(-\w+)\s+([\w\d\.:-]+)$/); print qq| "$a",\t"$b",\n|; }