1ISUTF8(1) moreutils ISUTF8(1)
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6 isutf8 - check whether files are valid UTF-8
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9 isutf8 [-hqliv] [--help] [--quiet] [--list] [--invert] [--verbose]
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13 isutf8 checks whether files are syntactically valid UTF-8. Input is
14 either files named on the command line, or the standard input. Notices
15 about files with invalid UTF-8 are printed to standard output.
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18 -h, --help
19 Print out a help summary.
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21 -q, --quiet
22 Don't print messages telling which files are invalid UTF-8, merely
23 indicate it with the exit status.
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25 -l, --list
26 Print only the names of files containing invalid UTF-8.
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28 -i, --invert
29 Invert the selection: list UTF-8 compatible files.
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31 -v, --verbose
32 Also print an hexdump-like view of the error and some context.
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35 If the file is valid UTF-8, the exit status is zero. If the file is not
36 valid UTF-8, or there is some error, the exit status is non-zero.
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39 Lars Wirzenius, Julien Palard
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42 utf8(7)
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46moreutils 07/21/2022 ISUTF8(1)