Thanks to everyone who answered me on and off the list. print "standalone\n" if (!caller);
seems just what I've been looking for. (comparing $0 to the script's name would also work most of the times.) Dan. ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]