Optional argument in ::method and ::routine - REXX

Use the arg Bif

if arg(2,'e')
then say "arg 2 exists"
else say "arg 2 doesn't exist"

hth

Jon
"SerGioGio" <nospam> wrote in message news:44ddb006@news.starhub.net.sg...
> Hello,
>
> Say I have a routine defined like this
>
> ::routine myroutine public
> use arg arg1, arg2
> return
>
> How can I make 'arg2' optional so that I can call both:
> myroutine(1, 2)
> myroutine(1)
> ??
>
> I think what I really need is a way to detect within myroutine that arg2
has
> not been initialized by the caller.
>
> Thanks in advance and Regards,
>
> SerGioGioGio
>
>
>