FVWM: PipeRead and shell args

From: Gregg Dameron <gregg.dameron_at_lmco.com>
Date: Tue, 13 Aug 2002 12:18:15 -0600

Running 2.4.7 on Solaris.

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?

Gregg Dameron

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Received on Tue Aug 13 2002 - 13:27:15 BST