[H-GEN] Useful not so obvious tips

[Michael Anthon]

> At this point you're not getting any benefit out of xargs, since you're 
> invoking ls once per file.  You may as well use the -exec option to find 
> and be done with it. :)

Yes, I did plan to point that out initially but it slipped my mind.  The
demonstration was more of xargs than find and that method is quite
useful if your source of records is not find.

Cheers,
Michael