From 0dc6e01fbc5b45f1c41239bf79df3bfec3123d87 Mon Sep 17 00:00:00 2001
From: Thomas Levine <_@thomaslevine.com>
Date: Thu, 7 Apr 2016 00:06:02 +0000
Subject: [PATCH] that alias approach was invalid

---
 urchin | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/urchin b/urchin
index c205064..f315da7 100755
--- a/urchin
+++ b/urchin
@@ -99,11 +99,11 @@ urchin_exit() {
 }
 
 if which md5 1> /dev/null 2> /dev/null; then
-  alias urchin_md5='md5 -q'
+  urchin_md5=md5
 elif which md5sum 1> /dev/null 2> /dev/null; then
-  alias urchin_md5='md5sum | cut -d\  -f1'
+  urchin_md5=md5sum
 else
-  echo Could not find md5sum command >&2
+  echo Could not find MD5 hash command >&2
   urchin_exit 1
 fi
 
@@ -114,7 +114,13 @@ stdout_file() {
 
   x="${urchin_tmp}/stdout$(fullpath "$the_test")"
   mkdir -p "${x}"
-  echo "${x}/$(echo "${the_shell}" | urchin_md5)"
+  case "${urchin_md5}" in
+    md5sum) y=$(echo "${the_shell}" | md5sum | cut -d\  -f1) ;;
+    md5) y=$(echo "${the_shell}" | md5 -q) ;;
+    *) echo md5 command is not configured >&2; urchin_exit 1;;
+  esac
+  y=$(echo "${the_shell}" | $urchin_md5)"
+  echo "${x}/${y}"
 }
 
 # Expand relative paths