NAME
dirname —
return directory portion of
pathname
SYNOPSIS
dirname |
pathname |
DESCRIPTION
dirname deletes the filename portion,
beginning with the last slash (‘/’) character to the end of
pathname, and writes the result to the standard
output.
EXIT STATUS
The dirname utility exits 0 on
success, and >0 if an error occurs.
EXAMPLES
The following line sets the shell variable
FOO to /usr/bin:
FOO=`dirname
/usr/bin/tail`SEE ALSO
STANDARDS
The dirname utility is compliant with the
IEEE Std 1003.1-2008 (“POSIX.1”)
specification.
HISTORY
The dirname utility first appeared as an
expr(1) script
in AT&T System III UNIX. It was
reimplemented in C for 4.3BSD-Reno and reimplemented
again using dirname(3) for OpenBSD 2.2.
AUTHORS
The original BSD version was written by Keith Bostic. The current OpenBSD version was written by Todd Miller <millert@openbsd.org>.