untested md5 handler

urchin

@@ -98,13 +98,29 @@ urchin_exit() {
   exit "$@"
 }
 
+urchin_md5_quiet() {
+  md5 -q
+}
+urchin_md5sum_quiet() {
+  md5sum | cut -d\  -f1
+}
+if which md5 > /dev/null; then
+  md5=urchin_md5_quiet
+elif which md5sum > /dev/null; then
+  md5=urchin_mdsum_quiet
+else
+  echo Could not find md5sum command >&2
+  urchin_exit 1
+fi
+
+
 stdout_file() {
   the_test="${1}"
   the_shell="${2}"
 
   x="${urchin_tmp}/stdout$(fullpath "$the_test")"
   mkdir -p "${x}"
-  echo "${x}/$(echo "${the_shell}" | md5sum | cut -d\  -f1)"
+  echo "${x}/$(echo "${the_shell}" | $md5)"
 }
 
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