isutf8

Check whether text files contain valid UTF-8. More information: https://joeyh.name/code/moreutils/.

isutf8 path/to/file1 path/to/file2 ...

isutf8 --verbose path/to/file1 path/to/file2 ...

isutf8 --quiet path/to/file1 path/to/file2 ...

isutf8 --list path/to/file1 path/to/file2 ...

isutf8 --invert path/to/file1 path/to/file2 ...