Somewhat related... just in case you actually want to change the names of files themselves from a Unix command line, I have been using a script I downloaded from CPAN:

http://www.cpan.org/authors/id/F/FO/FORMAN/ren-regexp-1.5

I also found (but have never used) a similar CPAN module: File::Rename

There is also: How do I do a bulk rename?

In reply to Re: How do I do character substitution on strings stored in a variable by toolic
in thread How do I do character substitution on strings stored in a variable by gcebulka

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