.mid Instead of .midi

[Will Oram]

I've looked through the documentation, but couldn't find an answer to this
question:

I don't have any programs that accept the .midi suffix. QuickTime, various
media players, etc etc are all very anal about not accepting .midi. Thus,
every time I make a Lilypond output, I have to change the suffix to .mid
before opening it in other programs.

Is there a way to automate the output to .mid so I don't have to do this
manually?

Thanks.

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