Killing linux process by piping the id

Question

I want to kill a process and I get its id with:

pgrep -f "python myscript.py"

I would like to call

kill -s SIGINT

on it, but I can't find any way to do it.

(the command needs to be in one line)

score 4 · Accepted Answer · answered Dec 13 '13 at 16:16

4

Try the backtick operator for evaluating a sub-command

kill -s SIGINT `pgrep -f "python myscript.py"`

(untested)

answered Dec 13 '13 at 16:16

Chris Stratton

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Mr. Spuratic makes a good point about how roundabout this actually is. I was not sitting in front of a Linux system when I wrote it, so stuck with generic *nix-isms rather than details of the particular tools. – Chris Stratton Dec 14 '13 at 22:40

score 4 · Answer 2 · edited Apr 13 '17 at 12:36

4

Read the man page, pgrep and pkill are the same program. Use pkill to send a signal to one or more processes which you can select in the same way as pgrep.

pkill -INT -f "python myscript.py"

See also this question and answer on unix.se (where this question would be a better fit).

edited Apr 13 '17 at 12:36

Community

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answered Dec 14 '13 at 13:36

mr.spuratic

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score 3 · Answer 3 · 2013-12-14T11:36:54.753

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It's generally most convenient to use xargs to pass data from a pipe as arguments to a command that doesn't read data from stdin themselves:

pgrep -f "python myscript.py" | xargs kill -s SIGINT

edited Dec 14 '13 at 11:36

answered Dec 13 '13 at 16:31

score 1 · Answer 4 · answered Dec 13 '13 at 16:20

1

You can also kill a process by name

killall -s SIGINT processname

answered Dec 13 '13 at 16:20

Sash

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Killing linux process by piping the id

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