pathchk [OPTION]... NAME...
Diagnose invalid or unportable file names.
check for most POSIX systems
check for empty names and leading "-"
check for all POSIX systems (equivalent to -p -P)
display this help and exit
output version information and exit
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
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Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Full documentation <https://www.gnu.org/software/coreutils/pathchk> or available locally via: info '(coreutils) pathchk invocation'
Written by Paul Eggert, David MacKenzie, and Jim Meyering.