phpman > man > dirname(1)

Che Dong

Remove trailing filename portion from a path.

Calculate the parent directory of a given path
dirname {{path/to/file_or_directory}}
Calculate the parent directory of multiple paths
dirname {{path/to/file_or_directory1 path/to/file_or_directory2 ...}}
Delimit output with a NUL character instead of a newline (useful when combining with `xargs`)
dirname {{-z|--zero}} {{path/to/file_or_directory1 path/to/file_or_directory2 ...}}

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 con‐
       tains 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 any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       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.

SEE ALSO
       basename(1), readlink(1)

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



GNU coreutils 8.32                          January 2026                                  DIRNAME(1)

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