Syntax

declare #process-output has (binary-mode | text-mode)

declare #process-output has (binary-mode | text-mode | buffered | unbuffered)

Usually, #process-output is written to in text mode (this is the default setting for non-UNIX systems) and is buffered. #process-output has allows you to explicitly change the mode in which data is written. Changing both the mode and the buffering is possible, but requires two declare statements.

For example:

  declare #process-output has binary-mode
  declare #process-output has unbuffered

You should always use this declaration in preference to the newline declaration for performing binary input or output.

Related Syntax #process-output newline

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