However, it seems convoluted and brittle to me. It won't Focus on Linux/FreeBSD/MacOS implementations which never guidance slumber infinity. This getting said, it is probably the very best userland Alternative in the mean time.
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So long as $COMMAND terminates properly, it will be run yet again. If it fails or is terminated by signal, the loop will close.
Each time a command terminates on a lethal signal whose amount is N, Bash makes use of the worth 128+N because the exit position.
and this loop never ever ends. On Windows all works just good. I'm able to connect with USB modem by way of virtual COM port and ship command / get remedy.
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Plainly what I need is usually to pipe into plan anything which does not do anything at all for an indefinite period of time read more and would not read stdin. The following techniques function:
Question is why cannot I just obtain "OK" concept from console, but rather than this I bought this details loop?
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Brendan LongBrendan Extended 56244 silver badges1616 bronze badges one The very first line here is definitely The best solution for a trivial script that you don't would like to invest far too much time on!
The column that contains this worth, icmp_req=2 is telling you which ICMP packet This is often regarding. The ping command manufactures community packets.
KoobyKooby 3122 bronze badges Increase a comment
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