Reads a chunk of data from the stream.
- (SUPNullableBinary)read :(SUPLong)length;
read returns a chunk of string data read from the stream, or a null value if the end of the stream has been reached.
int64_t bufferLength = 1024; NSString *something = [text read:bufferLength]; // null if EOF while (something != nil) { something = [text read:bufferLength]; }