-userid="`gpg --list-secret-keys --with-colons 2>/dev/null |
- sed -n '/^sec/{p;q}' | cut -d: -f5`"
-if [ "x$userid" = x ] ; then
+if [ -z "$userid" ] ; then
+ userid="`gpg --list-secret-keys --with-colons 2>/dev/null |
+ sed -n '/^sec/{p;q;}' | cut -d: -f5`"
+fi
+if [ -z "$userid" ] ; then