[ale] Newb question

[Ty Connell]

I would like to rename all the files in a directory from <file> to
<file>.bak.  I know there is an easy way to do it, but I don't know it - any
help?

My hacky solution was to use this:
perl -pi.bak -e '//'
which gives me backups of all the files.  Then I just blow away the real
ones I don't want to use.

There must be a more elegant solution that my simple mind just does not
know.

-ty

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