Thus it was written in the epistle of Donna Garverick,
> (yet another mpex question :-)
>
> hi again!
>
> at least for a change i'm not asking how to do something in
> mpex :-)
>
> if i say 'altfile <somefileset>;xltrim' -- what really
> happens?  is mpex working directly on each file or does it
> make a 'work' copy?  if it's making a copy, i'm guessing
> there's only one copy file in existence at a given
> moment?           - d

I'll take a shot at it just to keep you amused until someone who knows can
answer :-).  My understanding is that the data need not be copied for an
xltrim--that that is done to an already existing file, not to a new copy of
the file.  However, that's only my understanding . . .

Ted
--
Ted Ashton ([log in to unmask]) | From the Tom Swifty collection:
Southern Adventist University    | "This must be Nebraska", Tom stated flatly.
Deep thought to be found at      |
http://www.southern.edu/~ashted  |

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