require 'formula' class Antlr < Formula homepage 'http://www.antlr.org/' url 'http://www.antlr.org/download/antlr-4.2.2-complete.jar' sha1 '97b3117463b6beda300ee7a297a31b71db9aea2b' def install prefix.install "antlr-#{version}-complete.jar" bin.write_jar_script prefix/"antlr-#{version}-complete.jar", "antlr4" end end