How to make shell script to not create subprocess and don't wait for child execution
If I call a shell script (inner.sh) inside another shell script (main.sh), the first script (main.sh) will wait the end of inner.sh before continue. If inner.sh fails, main.sh fails too.
Eg:
cat .main.sh
#!/bin/bash
bin/bash .inner.sh
main.sh will end only after inner.sh ends.
How do I run inner.sh in a separated process (not subprocess, not same process and not in parallel with main.sh)?
What I want to do is make main.sh continue execution no matter what happens with inner.sh.
shell-script
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
add a comment |
If I call a shell script (inner.sh) inside another shell script (main.sh), the first script (main.sh) will wait the end of inner.sh before continue. If inner.sh fails, main.sh fails too.
Eg:
cat .main.sh
#!/bin/bash
bin/bash .inner.sh
main.sh will end only after inner.sh ends.
How do I run inner.sh in a separated process (not subprocess, not same process and not in parallel with main.sh)?
What I want to do is make main.sh continue execution no matter what happens with inner.sh.
shell-script
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
3
/bin/bash .inner.sh &ornohup /bin/bash .inner.sh &
– GypsyCosmonaut
Aug 28 '17 at 15:36
@GypsyCosmonaut I feel stupid now for not remembering nohup command. I usually use nohup in bash, did not occur to me use inside a script. Thanks
– Joao Vitorino
Aug 28 '17 at 15:50
GypsyCosmonaut. write as answer and I will mark as solved.
– Joao Vitorino
Aug 28 '17 at 15:50
1
So by “not … parallel from main.sh”, you mean “in parallel with main.sh”? Your question is hard to follow.
– Gilles
Aug 28 '17 at 22:38
add a comment |
If I call a shell script (inner.sh) inside another shell script (main.sh), the first script (main.sh) will wait the end of inner.sh before continue. If inner.sh fails, main.sh fails too.
Eg:
cat .main.sh
#!/bin/bash
bin/bash .inner.sh
main.sh will end only after inner.sh ends.
How do I run inner.sh in a separated process (not subprocess, not same process and not in parallel with main.sh)?
What I want to do is make main.sh continue execution no matter what happens with inner.sh.
shell-script
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
If I call a shell script (inner.sh) inside another shell script (main.sh), the first script (main.sh) will wait the end of inner.sh before continue. If inner.sh fails, main.sh fails too.
Eg:
cat .main.sh
#!/bin/bash
bin/bash .inner.sh
main.sh will end only after inner.sh ends.
How do I run inner.sh in a separated process (not subprocess, not same process and not in parallel with main.sh)?
What I want to do is make main.sh continue execution no matter what happens with inner.sh.
shell-script
shell-script
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
edited Aug 29 '17 at 14:43
Joao Vitorino
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
asked Aug 28 '17 at 15:32
Joao VitorinoJoao Vitorino
974
974
3
/bin/bash .inner.sh &ornohup /bin/bash .inner.sh &
– GypsyCosmonaut
Aug 28 '17 at 15:36
@GypsyCosmonaut I feel stupid now for not remembering nohup command. I usually use nohup in bash, did not occur to me use inside a script. Thanks
– Joao Vitorino
Aug 28 '17 at 15:50
GypsyCosmonaut. write as answer and I will mark as solved.
– Joao Vitorino
Aug 28 '17 at 15:50
1
So by “not … parallel from main.sh”, you mean “in parallel with main.sh”? Your question is hard to follow.
– Gilles
Aug 28 '17 at 22:38
add a comment |
3
/bin/bash .inner.sh &ornohup /bin/bash .inner.sh &
– GypsyCosmonaut
Aug 28 '17 at 15:36
@GypsyCosmonaut I feel stupid now for not remembering nohup command. I usually use nohup in bash, did not occur to me use inside a script. Thanks
– Joao Vitorino
Aug 28 '17 at 15:50
GypsyCosmonaut. write as answer and I will mark as solved.
– Joao Vitorino
Aug 28 '17 at 15:50
1
So by “not … parallel from main.sh”, you mean “in parallel with main.sh”? Your question is hard to follow.
– Gilles
Aug 28 '17 at 22:38
3
3
/bin/bash .inner.sh & or nohup /bin/bash .inner.sh &– GypsyCosmonaut
Aug 28 '17 at 15:36
/bin/bash .inner.sh & or nohup /bin/bash .inner.sh &– GypsyCosmonaut
Aug 28 '17 at 15:36
@GypsyCosmonaut I feel stupid now for not remembering nohup command. I usually use nohup in bash, did not occur to me use inside a script. Thanks
– Joao Vitorino
Aug 28 '17 at 15:50
@GypsyCosmonaut I feel stupid now for not remembering nohup command. I usually use nohup in bash, did not occur to me use inside a script. Thanks
– Joao Vitorino
Aug 28 '17 at 15:50
GypsyCosmonaut. write as answer and I will mark as solved.
– Joao Vitorino
Aug 28 '17 at 15:50
GypsyCosmonaut. write as answer and I will mark as solved.
– Joao Vitorino
Aug 28 '17 at 15:50
1
1
So by “not … parallel from main.sh”, you mean “in parallel with main.sh”? Your question is hard to follow.
– Gilles
Aug 28 '17 at 22:38
So by “not … parallel from main.sh”, you mean “in parallel with main.sh”? Your question is hard to follow.
– Gilles
Aug 28 '17 at 22:38
add a comment |
1 Answer
1
active
oldest
votes
/bin/bash .inner.sh &
runs .inner.sh as a subprocess but .inner.sh would still be a part of the process of .main.sh
but if you want to run .inner.sh as a completely detached process then you might want to do
/bin/bash .inner.sh & disown
or
nohup /bin/bash .inner.sh &
These run .inner.sh as a completely separate process. so even if you ^C out of your .main.sh, your .inner.sh would still run (given that you do ^C after the interpreter executed the disown or nohup).
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
1
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
add a comment |
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/bin/bash .inner.sh &
runs .inner.sh as a subprocess but .inner.sh would still be a part of the process of .main.sh
but if you want to run .inner.sh as a completely detached process then you might want to do
/bin/bash .inner.sh & disown
or
nohup /bin/bash .inner.sh &
These run .inner.sh as a completely separate process. so even if you ^C out of your .main.sh, your .inner.sh would still run (given that you do ^C after the interpreter executed the disown or nohup).
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
1
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
add a comment |
/bin/bash .inner.sh &
runs .inner.sh as a subprocess but .inner.sh would still be a part of the process of .main.sh
but if you want to run .inner.sh as a completely detached process then you might want to do
/bin/bash .inner.sh & disown
or
nohup /bin/bash .inner.sh &
These run .inner.sh as a completely separate process. so even if you ^C out of your .main.sh, your .inner.sh would still run (given that you do ^C after the interpreter executed the disown or nohup).
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
1
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
add a comment |
/bin/bash .inner.sh &
runs .inner.sh as a subprocess but .inner.sh would still be a part of the process of .main.sh
but if you want to run .inner.sh as a completely detached process then you might want to do
/bin/bash .inner.sh & disown
or
nohup /bin/bash .inner.sh &
These run .inner.sh as a completely separate process. so even if you ^C out of your .main.sh, your .inner.sh would still run (given that you do ^C after the interpreter executed the disown or nohup).
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
/bin/bash .inner.sh &
runs .inner.sh as a subprocess but .inner.sh would still be a part of the process of .main.sh
but if you want to run .inner.sh as a completely detached process then you might want to do
/bin/bash .inner.sh & disown
or
nohup /bin/bash .inner.sh &
These run .inner.sh as a completely separate process. so even if you ^C out of your .main.sh, your .inner.sh would still run (given that you do ^C after the interpreter executed the disown or nohup).
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
edited 16 mins ago
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
answered Aug 28 '17 at 15:57
GypsyCosmonautGypsyCosmonaut
80311033
80311033
1
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
add a comment |
1
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
1
1
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
Can also run as subprocess if put the command between (). (/bin/bash .inner.sh)
– Joao Vitorino
Aug 28 '17 at 16:47
add a comment |
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3
/bin/bash .inner.sh &ornohup /bin/bash .inner.sh &– GypsyCosmonaut
Aug 28 '17 at 15:36
@GypsyCosmonaut I feel stupid now for not remembering nohup command. I usually use nohup in bash, did not occur to me use inside a script. Thanks
– Joao Vitorino
Aug 28 '17 at 15:50
GypsyCosmonaut. write as answer and I will mark as solved.
– Joao Vitorino
Aug 28 '17 at 15:50
1
So by “not … parallel from main.sh”, you mean “in parallel with main.sh”? Your question is hard to follow.
– Gilles
Aug 28 '17 at 22:38