`tr 'A-Z' 'a-z'` will only convert non-accented characters. Switching to `[:upper:]` and `[:lower:]` adds support for accents. See https://github.com/koalaman/shellcheck/wiki/SC2018 Additionally, printf's character splitting does not support accented characters, so output isn't as expected. Using bash's variable expansion syntax instead will correctly get the full accented character. |
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