Not even that, but xargs can also be made to run N processes in parallel ('xargs -P N'), making a find|xargs sed pipe perform much better than anything you coul

Not even that, but xargs can also be made to run N processes in parallel ('xargs -P N'), making a find|xargs sed pipe perform much better than anything you could easily invent on your own. Note that 'xargs -P' behaves very similar to 'make -j' and is often useful as a simple work-unit scheduler.