NAME

isutf8 - check whether files are valid UTF-8

SYNOPSIS

isutf8
[-hqliv] [--help] [--quiet] [--list] [--invert] [--verbose] [file...]

DESCRIPTION

isutf8 checks whether files are syntactically valid UTF-8. Input is either files named on the command line, or the standard input. Notices about files with invalid UTF-8 are printed to standard output.

OPTIONS

-h, --help: Print out a help summary.
-q, --quiet: Don't print messages telling which files are invalid UTF-8, merely indicate it with the exit status.
-l, --list: Print only the names of files containing invalid UTF-8.
-i, --invert: Invert the selection: list UTF-8 compatible files.
-v, --verbose: Also print an hexdump-like view of the error and some context.

EXIT STATUS

If the file is valid UTF-8, the exit status is zero. If the file is not valid UTF-8, or there is some error, the exit status is non-zero.

AUTHOR

Lars Wirzenius, Julien Palard