File::Rename is a Perl extension that accepts a list of files, passes them through a subroutine, and renames them according to the output of that function. prename(1) is a command-line tool using this extension, allowing batch changes like these to be made: - strip the .bak extension of any *.bak files prename 's/\.bak$//' *.bak - translate uppercase names to lower prename 'y/A-Z/a-z/' *
WWW: http://search.cpan.org/dist/File-Rename/
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