Without dumping to perl or another external language, would like to accomplish
the following;

prior to making changes in a file, backup incrementially the current file to
create a record of changes ans versions.  For example.

we are about to make changes to file.conf  and would like to make a copy of our
current file before doing so *without* overwriting previous backup copies

        #cp /path/to/file.conf /path/to/file.conf.20030210

I almost want to say this could be done with something simple like

        #cp /path/to/file.conf /path/to/file.conf.$DATE

which would be the solution if I was using perl, php, or soething else to
accomplish the copy of files, but would prefer a simple one liner without having
to load another processor just for this one command.

Suggestions would be appreciated.


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