I strong, STRONGLY *STRONGLY recommend *not* doing file manipulations
on audio files inside the shell. the proliferation of what once would
have been considered "wierd" names for files makes this extremely
"risky". it is very hard to prevent the shell from somehow getting
stuff wrong when the filenames can include ' or " or $ themselves.
use perl or python to do what you want, and thus avoid every issue
with shell globbing etc.
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