DIRNAME(1) User Commands DIRNAME(1)

dirname - strip last component from file name

dirname [OPTION] NAME...

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
-> "."

Written by David MacKenzie and Jim Meyering.

GNU coreutils online help: https://www.gnu.org/software/coreutils/
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Copyright © 2021 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.

basename(1), readlink(1)

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

September 2021 GNU coreutils 9.0