How to rename volumes from Terminal without name limitations?

Question

When a FAT volume is mounted I can click on it and rename it freely.

However via terminal it is very restrictive.

% /usr/sbin/diskutil rename "Nice Name" "Nicer Name" 
Nicer Name does not appear to be a valid volume name for its file system

Is there an other way, or a list of limitations?

Can you also update the question to show the real volume names you are using? — nohillside, Commented Dec 16, 2019 at 14:53
Those are the name I was using. I renamed NO NAME to Nice Name using the GUI and then failed renaming it to "Nicer Name" using the terminal. — OrigamiEye, Commented Dec 16, 2019 at 15:02

klanomath · Accepted Answer · 2019-12-16 16:31:09Z

1

The FAT volume name mustn't contain:

* ? / \ | . , ; : + = [ ] < > "

You are limited to 11 characters. Using diskutil rename ... no umlauts etc. & all upper case.

answered Dec 16, 2019 at 16:31

klanomath

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It's a two parter, is there an alternative renaming the volumes programmatically?
– OrigamiEye
Commented Dec 17, 2019 at 7:50
@OrigamiEye Sure: mlable with the same restrictions
– klanomath
Commented Dec 17, 2019 at 8:25

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