5.11 The STREAMS module
<file-stream>
Open abstract instantiable class
Summary
The class of single-buffered streams over disk files.
Superclasses
<buffered-stream> <positionable-stream>
Init-keywords
locator:- An instance of
<string>or<locator>. This specifies the file over which to stream. direction:- Specifies the direction of the stream. It must be one of
#"input",#"output", or#"input-output". Default value:#"input". if-exists:- One of
#f,#"new-version",#"overwrite",#"replace",#"append",#"truncate",#"signal". Default value:#f. if-does-not-exist:-
One of
#f,#"signal", or#"create". Default value: depends on the value ofdirection:. asynchronous?:- If
#t,all writes on this stream are performed asynchronously. Default value:#f.
Library
io
Module
streams
Description
The class of single-buffered streams over disk files. It is a subclass of <positionable-stream> and <buffered-stream>.
When you instantiate this class, an indirect instance of it is created. The file being streamed over is opened immediately upon creating the stream.
The class supports several init-keywords: locator:, direction:, if-exists:, and if-does-not-exist:.