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Unicode on Mac is insane. Mac OS X uses NFD while everything else uses NFC. This fixes that.
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mac_utf8_insanity.md

convmv manpage

Install convmv if you don't have it

sudo apt-get install convmv

Convert all files in a directory from NFD to NFC:

convmv -r -f utf8 -t utf8 --nfc --notest .

Convert all files in a directory from NFC to NFD:

convmv -r -f utf8 -t utf8 --nfd --notest .

@s2k
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s2k commented May 4, 2021

Very nice tip!
On my Mac, I used brew install convmv, BTW.

@igorsgm
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igorsgm commented May 13, 2021

You saved my day. Thank you!

@simnalamburt
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simnalamburt commented Jun 16, 2023 •
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Take a look at https://github.com/cr0sh/jaso for a faster alternative written in Rust.

$ brew install simnalamburt/x/jaso
$ jaso .
DONE; 100 files in 1.111529301 seconds

@elmimmo
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elmimmo commented Mar 4, 2025

Just for reference, there is also NFCFN.py.

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