#### 20.2.5 file-author [Function]

`file-author` pathspec ⇒ author

#### Arguments and Values::

pathspec—a pathname designator.

author—a string or nil.

#### Description::

Returns a string naming the author of the file specified by pathspec, or nil if the author’s name cannot be determined.

#### Examples::

     (with-open-file (stream ">relativity>general.text")
       (file-author s))
    ⇒  "albert"

#### Affected By::

The host computer’s file system.

Other users of the file named by pathspec.

#### Exceptional Situations::

An error of type file-error is signaled if pathspec is wild.

An error of type file-error is signaled if the file system cannot perform the requested operation.

#### See Also::

pathname, logical-pathname, File System Concepts,

Pathnames as Filenames