> I'm trying to rename a lot of files. I just want to substitute underlines
> with whitespaces. How can I do that?
>
possibly not the easiest way, but it works:
for i in *; do mv "$i" "${i//_/ }"; done
works only with bash 2.x (probably you have one ...).
you also could try mmv, but i don't know, if it is capable of this kind of
operations.