isutf8 − check whether files are valid UTF−8
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isutf8 [−hqliv] [−−help] [−−quiet] [−−list] [−−invert] [−−verbose] [[file...]] |
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.
−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.
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.
Lars Wirzenius, Julien Palard
utf8(7)