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I am a total noob in shell scripting. I am creating a .sh file with multiple commands, but my problem is that the last command is an executable file that after executing stays open and the processes keep running in the terminal until I close the terminal or press Ctrl+C or \. I want to kill these processes or quit the terminal which will also kill the process automatically while running the .sh file. This is the script so far:

#!/usr/bin/env bash
cd ./var/www/testGraduationProject1/public/Hume2Compiler/bin/
export PATH=$PATH:`pwd`
humec -lotsaspace tails.hume;
./tails > hello.txt

I have tried these two commands but they just stop the loading of process in terminal, but without closing the terminal or the process itself.

killall tails
stty -a | grep inter
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    You can send SIGQUIT with kill -3 <pid>. Not sure if that will do what you want though. Commented May 29, 2012 at 19:44

2 Answers 2

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Your question is vague, but I assume you're asking how to make the tails command run for N seconds then kill it?

If so, use the timeout command (installed by default in 12.04).

Here's your script using timeout (removed some redundant code while I was at it). It runs tails for 10 minutes (600 seconds) before killing it with the TERM signal.

#!/usr/bin/env bash
PATH=$PATH:$PWD/var/www/testGraduationProject1/public/Hume2Compiler/bin
humec -lotsaspace tails.hume
timeout 600 tails > hello.txt

See http://mywiki.wooledge.org/BashFAQ/068 for more information.

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  • perfect this is better than what i needed. thank you Commented May 30, 2012 at 0:03
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Try this:

Put this line explicitly in the background:

./tails > hello.txt&

Then add

pkill tails
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