dirname(1) - phpMan

DIRNAME(1)                       User Commands                      DIRNAME(1)
NAME
       dirname - strip last component from file name
SYNOPSIS
       dirname [OPTION] NAME...
DESCRIPTION
       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
EXAMPLES
       dirname /usr/bin/
              -> "/usr"
       dirname dir1/str dir2/str
              -> "dir1" followed by "dir2"
       dirname stdio.h
              -> "."
AUTHOR
       Written by David MacKenzie and Jim Meyering.
REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>;
       Report    dirname    translation   bugs   to   <https://translationpro-
       ject.org/team/>
COPYRIGHT
       Copyright (C) 2018 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.
SEE ALSO
       basename(1), readlink(1)
       Full documentation at: <https://www.gnu.org/software/coreutils/dirname>;
       or available locally via: info '(coreutils) dirname invocation'
GNU coreutils 8.30                 July 2018                        DIRNAME(1)