|  | ANSI Common Lisp  21 Streams  21.2 Dictionary of Streams 
 
| 21.2.30  stream-external-format | Function |  
 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> 
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.
Allegro CL Implementation Details:
 None. |