>>Description:
>arp allows -f filename which is handy if you have multiple things to do
>(for instance in a start-up script). However filename must be a real file
>which makes creating pipelines a pain (temp files and all that).
>A simple fix is to check for -f - and use stdin.

the use of - to indicate stdin is a hack.  always was, and always will
be.  don't get me wrong, i like it too, but there are other ways of
doing the same thing these days.  did you try using /dev/fd/0 or
/dev/stdin?

-- 
|-----< "CODE WARRIOR" >-----|
codewarrior@daemon.org             * "ah!  i see you have the internet
twofsonet@graffiti.com (Andrew Brown)                that goes *ping*!"
andrew@crossbar.com       * "information is power -- share the wealth."