charOut >>-charOut-+----------------------------+---------------------->< +-(-+--------+--+--------+-)-+ +-string-+ +-,start-+ Returns the count of characters remaining after trying to write [string] to the output stream. The stream also advances the write pointer. The
[string]
can be the null string.
In this case, [charOut] writes
no characters to the stream and returns If you specify [start] , this positions the write pointer before writing. If the stream is not already open, the stream attempts to open for reading and writing. If that fails, the stream opens for for output only. |