You might want to try some reverse logic ...

code:

---

break on
if ($call or ($d and $s)) and ($call="yes")
else
  ?"syntax error"
  exit
endif
? "Either the $$call variable is set to yes or the required parameters"
? "($$s and $$d) are set"

---

Actually - this shouldn't work - but it does !

Shawn.

[This message has been edited by Shawn (edited 15 May 2000).]