--- a/cos	Sat Jun 18 16:12:00 2011 +0400
+++ b/cos	Thu Sep 22 13:27:23 2011 +0400
@@ -4,6 +4,9 @@
 S="$1"
 shift
 case "$S" in
+    "")
+        echo "Usage: $0 <command> [parameters]"
+        ;;
     "xmms")
         $COSPATH/cos-search $COSPATH/fuck "$@"|cut -f2|while read fname; do echo "$fname"; xmmsctrl +file "$fname"; done
         ;;