stream-external-format [Function]

stream-external-format stream => format

Arguments and Values::

stream---a file stream.

format---an external file format.

Description::

Returns an external file format designator for the stream.

Examples::

 (with-open-file (stream "test" :direction :output)
   (stream-external-format stream))
=>  :DEFAULT
OR=> :ISO8859/1-1987
OR=> (:ASCII :SAIL)
OR=> ACME::PROPRIETARY-FILE-FORMAT-17
OR=> #<FILE-FORMAT :ISO646-1983 2343673>

See Also::

the :external-format argument to the function section open [Function] and the section with-open-file [macro] macro.

Notes::

The format returned is not necessarily meaningful to other implementations.

Go to the first, previous, next, last section, table of contents.