From 43c8bec720454636e2085f42bba220facc3e38f2 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg <flangy@gmail.com>
Date: Tue, 1 Jun 2010 19:10:32 -0700
Subject: [PATCH] Handle search with no arguments.

Fixes Homebrew/homebrew#1514.
---
 bin/brew | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/brew b/bin/brew
index 715daa61a4..e9974b16ab 100755
--- a/bin/brew
+++ b/bin/brew
@@ -133,7 +133,7 @@ begin
       if ARGV.first =~ /^\/(.*)\/$/
         puts_columns formulae.grep(Regexp.new($1))
       else
-        search_term = Regexp.escape(ARGV.first)
+        search_term = Regexp.escape(ARGV.first || "")
         puts_columns formulae.grep(/.*#{search_term}.*/)
       end