I tried to not join the contest, but the Jeff wrote...

>I can't resist but relate this back to my personal push for posix
>smoothing.  The above can be done in the shell with:
>
>   callci "listfile ci.pub.sys,8"|grep $1
>
>But with MPE CI-pipes it could also be just the
>
>   listfile ci.pub.sys,8|/bin/grep !ipmask
>
>File processing remains painfully cumbersome in MPE, while posix deals
>with it quite elegantly.

How about the following attempt? ...

 : listfile ci.pub.sys, 8 > $newpass
 : xeq /bin/grep !ipmask < $oldpass

The good old $OLDPASS and $NEWPASS sometimes come close to a pipe,
although they don't offer a child process (overhead?) for parallel
processing both tasks.

;-) Lars