On 13 Aug 2002 12:18:15 -0600, Gregg Dameron wrote:
>
> I have a function that accepts three arguments, the last of which is
> optional; if omitted, I supply a default. Here's what's working:
>
> AddToFunc MyFunc
> + I PipeRead 'BD=$2; BD=${BD:-4}; ... '
>
> If I try to shorten it to this:
>
> + I PipeRead 'BD=${2:-4}; ... '
>
> then BD is always 4 ($2 is seemingly ignored). "sh" is apparently
> satisfied (no "bad substitution" error). Expected? Wrong syntax?
You can't shorten it. If you want the second function parameter to be
expanded by FVWM, you should write it as $2. Other shell-like syntaxes
like ${2} or ${2:-4} do not work, both these strings are passed to the
shell unexpanded if used inside PipeRead.
Regards,
Mikhael.
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