snow 20130616 (new formula)

New Formula for SNOW. Useful little hidden encrypted messages in
whitespace tool.

Closes Homebrew/homebrew#33925.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/snow.rb

@@ -0,0 +1,22 @@
+require "formula"
+
+class Snow < Formula
+  homepage "http://www.darkside.com.au/snow/"
+  url "http://www.darkside.com.au/snow/snow-20130616.tar.gz"
+  sha1 "b7cc0214d24cef44f50cd9069a0052f8dcd54176"
+
+  def install
+    system "make"
+    bin.install "snow"
+    man1.install "snow.1"
+  end
+
+  test do
+    touch "in.txt"
+    touch "out.txt"
+    system "#{bin}/snow", "-C", "-m", "'Secrets Abound Here'", "-p",
+           "'hello world'", "in.txt", "out.txt"
+    # The below should get the response 'Secrets Abound Here' when testing.
+    system "#{bin}/snow", "-C", "-p", "'hello world'", "out.txt"
+  end
+end