class Prips < Formula homepage "http://devel.ringlet.net/sysutils/prips/" url "http://devel.ringlet.net/sysutils/prips/prips-0.9.9.tar.gz" sha256 "ad9d8e63cd69ed682ea87c154a19e5c58a3eb4bb3a118d5f458fd86eadb3bef8" def install system "make" bin.install "prips" man1.install "prips.1" end test do assert_equal "127.0.0.0\n127.0.0.1", shell_output("#{bin}/prips 127.0.0.0/31").strip end end