single Perl argument followed by filenames, and invokes Perl's
internal \cw{rename} function. \cw{multi} is a complete rewrite of
this basic idea, supplying more options and configurability.
single Perl argument followed by filenames, and invokes Perl's
internal \cw{rename} function. \cw{multi} is a complete rewrite of
this basic idea, supplying more options and configurability.