From be4a5fc6986b1141af30f1a3dd91e7dfbbc42e9e Mon Sep 17 00:00:00 2001
From: Thomas Levine <occurrence@thomaslevine.com>
Date: Wed, 10 Oct 2012 15:51:06 -0400
Subject: [PATCH] take an argument

---
 readme.md | 2 +-
 urchin    | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/readme.md b/readme.md
index f042fb3..2282f78 100644
--- a/readme.md
+++ b/readme.md
@@ -13,7 +13,7 @@ Download Urchin like so (as root)
 
 Now you can run it.
 
-    urchin
+    urchin <test directory>
 
 ## Writing tests
 Make a root directory for your tests. Inside it, put executable files that
diff --git a/urchin b/urchin
index 4448923..4cb13aa 100755
--- a/urchin
+++ b/urchin
@@ -46,13 +46,13 @@ recurse() {
   fi
 }
 
-if [ "$#" = '0' ]
+if [ "$#" = '1' ] && [ -d "$1" ]
   then
   echo Running tests
-  recurse .
+  recurse "$1"
   echo
   echo Done
 else
-  echo 'Run `urchin` without arguments from a directory containing urchin tests.'
+  echo "usage: $0 <test directory>"
   echo 'Go to http://www.urchin.sh for documentation on writing tests.'
 fi