class Picolisp < Formula desc "Minimal Lisp with integrated database" homepage "http://picolisp.com/wiki/?home" url "http://software-lab.de/picoLisp-3.1.6.tgz" sha256 "8568b5b13002ff7ba35248dc31508e1579e96428c0cef90a2d47b4a5f875cc2c" def install src_dir = MacOS.prefer_64_bit? ? "src64" : "src" system "make", "-C", src_dir bin.install "bin/picolisp" end test do path = testpath/"hello.lisp" path.write '(prinl "Hello world") (bye)' assert_equal "Hello world\n", shell_output("#{bin}/picolisp #{path}") end end