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Function STREAM-EXTERNAL-FORMAT

Syntax:

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>

Side Effects: None.

Affected By: None.

Exceptional Situations: None.

See Also:

the :external-format argument to the function open and the with-open-file macro.

Notes:

The format returned is not necessarily meaningful to other implementations.


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