require "formula" class Grepcidr < Formula desc "Filter IP addresses matching IPv4 CIDR/network specification" homepage "http://www.pc-tools.net/unix/grepcidr/" url "http://www.pc-tools.net/files/unix/grepcidr-2.0.tar.gz" sha1 "5ec8cf18acbf92851b632d297b9fd6ee77c523ba" def install system "make" bin.install "grepcidr" man1.install "grepcidr.1" end end