require 'formula' class Lsof < Formula url 'ftp://sunsite.ualberta.ca/pub/Mirror/lsof/lsof_4.84.tar.bz2' version '4.84' md5 'a09326df500ef7e4550af546868338d6' homepage 'http://people.freebsd.org/~abe/' def install system "tar xf lsof_4.84_src.tar" Dir.chdir "lsof_4.84_src" do mv "00README", "../README" system "./Configure -n darwin" system "make" bin.install "lsof" end end end