return the directory portion of a pathname
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
display this help and exit
output version information and exit
- dirname /usr/bin/
- dirname dir1/str dir2/str
-> "dir1" followed by "dir2"
- dirname stdio.h
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.
Written by David MacKenzie and Jim Meyering.