usage() {
cat <<EOF
usage: $PGRM <subcommand> [args]
-Monkeysphere client tool.
+MonkeySphere client tool.
subcommands:
update-known_hosts (k) [HOST]... update known_hosts file
'update-authorized_keys'|'update-authorized-keys'|'a')
MODE='authorized_keys'
- # make sure authorized_user_ids file exists
+ # fail if the authorized_user_ids file is empty
if [ ! -s "$AUTHORIZED_USER_IDS" ] ; then
failure "$AUTHORIZED_USER_IDS is empty."
fi