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The problem is that if I execute a command (eg. a Python script), the terminal or script is waiting until the program return a exit status so that it can continue or return to terminal. Is there a way to circumvent this?
How to run a command from the terminal/a script without the need to wait until the program exits?
Answers
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In most shells, you can launch commands or processes in the background by appending an ampersand (&) to the command:
python file.py &
poke
Posted 2013-01-14T19:57:42.520
Reputation: 589
Already tried this but it does not work. – None – 2013-01-14T20:22:11.393
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Several choices:
- Run it in screen.
man screen,screen,myprorgamm,C-a d,screen -r. nohup myprogrammmyprogramm &
Tried: $ screen _command_, $ nohup _command_ $ _command_ &. Nothing worked so far. – None – 2013-01-14T20:19:21.853
You need to start screen separately first; and if you don’t have screen, install it first. – poke – 2013-01-14T20:20:54.663
1for screen - start with man screen, it's complex app with lots and lots of functionality. nohup and & (aka detach) can't "not work", really. if there is any error - make sure to post it here. – None – 2013-01-14T20:23:37.843
Hey, the amperstand workaround is working, but for some unknown reason I must double-click on a terminal window because the new line does not show up for some reason. Solved, thank you! – None – 2013-01-14T20:32:17.627
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Yes. If you're using Bash or a similar shell, type:
./your_script.py &
Tried that from the terminal but it does not work. – None – 2013-01-14T20:04:35.947
What OS and shell are you using? – None – 2013-01-14T20:05:58.517
Trisquel GNU/Linux with dash. In Terminal I am using bash, while in scripts dash. Either of these does not work. The command I am trying to execute is /usr/share/screenlets/CircleClock/CircleClockScreenlet.py which is a part of a program called Screenlets (also available in Ubuntu). – None – 2013-01-14T20:13:11.553
You could run it in the background, just do: ./command.py & – None – 2013-01-14T20:00:09.873