DIRNAME(1L)

NAME
dirname - strip non-directory suffix from file name

SYNOPSIS
dirname filename
dirname {--help,--version}

DESCRIPTION
This manual page documents the GNU version of dirname. dirname prints all but the final slash-delimited component of filename. If filename is a single component, dirname prints `.' (meaning the current directory).

  OPTIONS

--help
    Print a usage message on standard output and exit successfully.

--version
    Print version information on standard output then exit successfully.