However, It appears convoluted and brittle to me. It will not likely Focus on Linux/FreeBSD/MacOS implementations which tend not to support snooze infinity. This becoming claimed, it is probably the ideal userland Answer for the time being.
AkeoAkeo 20611 silver badge44 bronze badges Add a remark
I've a command which i want to acquire operate again routinely every time it terminates, so I ran a thing similar to this:
Whenever a command terminates on the lethal signal whose range is N, Bash works by using the value 128+N because the exit position.
Stéphane Chazelas' read through Option performs on Mac OS X likewise if a studying fd receives opened on /dev/fd/one.
The requirement is dead uncomplicated to put into action in C. The Kubernetes job has accomplished it within their famed pause docker graphic which is probably the smallest docker images known to male.
So I believe I have realized that lesson: Just diligently craft renaming, shifting, copying along with the lookup pattern to ensure that uncover won't take care of the same file two times.
Which iso file (file-identify) did you download? one. Please Verify with sha256sum which the iso file was downloaded properly; two. Which Resource/method did you use to produce the USB boot generate? three. Be sure to tell us the brand name and design of the pc and graphics chip.
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and then sent command echo "AT" > /dev/ttyUSB0 following that I often got by no means ending loop from cat /dev/ttyUSB0 similar to this:
peterhpeterh 94011 gold badge88 silver badges1818 bronze badges 1 get more info Most Otherwise all of your issues are previously resolved in other solutions here. None of the present solutions counsel occupied loops.
@Binarus, oh, hmm, I didn't comprehend you meant uncover vs globs as a result a significant stage. Which may be well worth an issue in alone, if it is not listed here now. I think there is a handful of other factors than simply pace: standardization and batching arrive at brain.
sudo tee /dev/ttyUSB0, at which issue I get "blahblah" (terminated with 'rn' bits) repeated forever from the terminal window running cat. Unplugging the RX wire halts it, and plugging it again in isn't going to restart it.
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