From a2d5e3e4d39f42d1ecb25d7fd07920fc96ef870a Mon Sep 17 00:00:00 2001
From: Pierce Lopez <pierce.lopez@gmail.com>
Date: Tue, 6 Dec 2016 19:56:17 -0500
Subject: [PATCH] mawk: fix and improve test

the test was comparing the local "version" variable to itself
now get version from the mawk executable and use mawk to parse it
---
 Formula/mawk.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Formula/mawk.rb b/Formula/mawk.rb
index f6ac973d8b..c08a4caef3 100644
--- a/Formula/mawk.rb
+++ b/Formula/mawk.rb
@@ -23,7 +23,8 @@ class Mawk < Formula
   end
 
   test do
-    version = shell_output("#{bin}/mawk '/version/ { print $2 }' #{prefix}/README")
-    assert_equal version, version.to_s
+    mawk_expr = '/^mawk / {printf("%s-%s", $2, $3)}'
+    ver_out = shell_output("#{bin}/mawk -W version 2>&1 | #{bin}/mawk '#{mawk_expr}'")
+    assert_equal version.to_s, ver_out
   end
 end