dirname - strip last component from file name

       Written by David MacKenzie and Jim Meyering.

       Copyright  ©  2024  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.

       Output each NAME with its last non-slash component and trailing slashes removed; if NAME contains no /'s,
       output '.' (meaning the current directory).

       -z, --zero
              end each output line with NUL, not newline

       --help display this help and exit

       --version
              output version information and exit

       dirname /usr/bin/
              -> "/usr"

       dirname dir1/str dir2/str
              -> "dir1" followed by "dir2"

       dirname stdio.h
              -> "."

       dirname - strip last component from file name

       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

basename(1), readlink(1)

       Full documentation <https://www.gnu.org/software/coreutils/dirname>
       or available locally via: info '(coreutils) dirname invocation'

GNU coreutils 9.5                                  April 2025                                         DIRNAME(1)

dirname [OPTION] NAME...