Nevertheless, it seems convoluted and brittle to me. It will not likely Focus on Linux/FreeBSD/MacOS implementations which will not aid rest infinity. This being reported, it might be the very best userland Remedy in the intervening time.

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You'll find the C supply code Listed here (it may be shortened even further). Sad to say, I don't know of the userland "pause" command in Linux, at least not 1 which has been accepted into the major distros.

This may print the PID. Should you exit your prompt utilizing ctrl+d then the background job will never Stop, and you may afterwards destroy The work from wherever making use of kill PID

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If You are looking for it, modemmanager is closely connected to networkmanager - I believe It is an extension to it Or perhaps A part of the default deal. On my systemd procedure I killed by symlinking /dev/null above the /and many others/systemd/method modemmanager rule counterpart to /usr/share/systemd's default just one...

It seems that what I need is to pipe into application a little something which will not do something for an indefinite length of time and does not read stdin. The following techniques work:

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I still Consider it would be "Very best to maintain inquiring around the Endless OS forums / IRC channels" which has a precise and total description of your challenge.

To the shell’s applications, a command which exits having a zero exit position has succeeded. A non-zero exit status suggests failure. This seemingly counter-intuitive more info plan is utilized so There's one well-outlined way to indicate success and a variety of means to point various failure modes.

I've a program which creates valuable info on stdout but additionally reads from stdin. I desire to redirect its common output to some file devoid of supplying anything on regular enter. To date, so great: I can perform:

slm's response is excellent, but if you only would like to immediately Verify no matter whether a number is alive (and reachable, and responding to ping) Then you can certainly use fping rather than ping. It pings the host(s), and waits a brief time for the response. fping's exit code stories achievements or failure.