fifo - reading in a loop

Question

I want to use os.mkfifo for simple communication between programs. I have a problem with reading from the fifo in a loop.

Consider this toy example, where I have a reade

Answer 1

You do not need to reopen the file repeatedly. You can use select to block until data is available.

with open(FIFO_PATH) as fifo:
    while True:
        select.select([fifo],[],[fifo])
        data = fifo.read()
        do_work(data)

In this example you won't read EOF.