You'd need to open the file in read-write mode ("+>") and also reset the file pointer to the beginning of the file between every write and read cycle (or seek to where it was before the write) — otherwise, you'd try to read from the position where the write has left the file pointer...

Anyhow, maybe you rather want a pipe?

In reply to Re: testing interface by almut
in thread testing interface by asr00

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