DIRNAME(1)

NAME
dirname - strip non-directory suffix from file name

SYNOPSIS
dirname NAME
dirname OPTION

DESCRIPTION

Print NAME with its trailing /component removed; if NAME contains no /'s, output `.' (meaning the current directory).

--help
    display this help and exit

--version
    output version information and exit

EXAMPLES

dirname /usr/bin/sort
    Output "/usr/bin".

dirname stdio.h
    Output ".".

AUTHOR
Written by David MacKenzie and Jim Meyering.

REPORTING BUGS
Report dirname bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>

COPYRIGHT
Copyright © 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://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)

The full documentation for dirname is maintained as a Texinfo manual. If the info and dirname programs are properly installed at your site, the command

    info coreutils 'dirname invocation'

should give you access to the complete manual.