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BASENAME(1) General Commands Manual BASENAME(1)

basename, dirnamereturn filename or directory portion of pathname

basename string [suffix]

basename [-a] [-s suffix] string [...]

dirname string [...]

The basename utility deletes any prefix ending with the last slash ‘/’ character present in string (after first stripping trailing slashes), and a suffix, if given. The suffix is not stripped if it is identical to the remaining characters in string. The resulting filename is written to the standard output. A non-existent suffix is ignored. If -a is specified, then every argument is treated as a string as if basename were invoked with just one argument. If -s is specified, then the suffix is taken as its argument, and all other arguments are treated as a string.

The dirname utility deletes the filename portion, beginning with the last slash ‘/’ character to the end of string (after first stripping trailing slashes), and writes the result to the standard output.

The basename and dirname utilities exit 0 on success, and >0 if an error occurs.

basename together with -a interprets the second argument as a string and produces "foo" followed by "bar" for:

basename -a /usr/bin/foo /sbin/bar

Passing multiple arguments to dirname produces /usr/bin followed by /sbin

dirname /usr/bin/foo /sbin/bar

The following line sets the shell variable FOO to /usr/bin.

FOO=`dirname /usr/bin/trail`

csh(1), sh(1), basename(3), dirname(3)

The basename and dirname utilities are expected to be IEEE Std 1003.2 (“POSIX.2”) compatible.

April 18, 1994 DragonFly-5.6.1