Index: select.sh
===================================================================
--- select.sh	(revision 46085)
+++ select.sh	(working copy)
@@ -73,7 +73,7 @@
 # list all (currently) available versions
 list_version() {
     echo "Available versions:"
-    echo $(ls -1 ${CONFPATH} | grep -v base)
+    echo $(ls -1 ${CONFPATH} | grep -Ev '(base|current)')
 }
 
 # list the currently selected version
@@ -87,7 +87,7 @@
 
 # test if a particular version is available
 version_is_valid() {
-    for version in $(ls -1 ${CONFPATH} | grep -v base); do
+    for version in $(ls -1 ${CONFPATH} | grep -Ev '(base|current)'); do
         if [ "${1}" == "${version}" ]; then
             return 0
         fi