Created a uniform interface accross all session scripts

session/src/xmd-run-startup-items

@@ -1,10 +1,19 @@
 #!/bin/sh
 
+name=`basename "$0"`
+
+usage() {
+	echo "Usage: $name" >&2
+	exit 2
+}
+
+[ "$#" -gt 0 ] && usage
+
 if [ -z "$XMD_STARTUPDIR" ]; then
-	echo "!!! \$XMD_STARTUPDIR not set"
+	echo "$name \$XMD_STARTUPDIR not set" >&2
 	exit 1
 fi
-for item in $XMD_STARTUPDIR/*; do
+for item in "$XMD_STARTUPDIR"/*; do
 	if [ -x "$item" ]; then
 		"$item" &
 	fi