->autoflush(1) will flush after every print/syswrite/etc.
->autoflush(0) will flush on demand (->flush), when the buffer is full (all handles) and when "\n" is encountered (when -t HANDLE only).

If you want something else, you'll need a tied handle or your own print function.

In reply to Re^3: Flushing the print buffers. by ikegami
in thread Flushing the print buffers. by kansaschuck

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