2 февр. 2021 г. · Is there a more concise way to run a command only if the previous command completes successfully, when the previous command is already running?

19 июн. 2013 г. · I am trying to check if a process (assume it is called some_process ) is running on a server. If it is, then echo 1, otherwise echo 0.

11 мар. 2011 г. · You need to test $? instead, which is the exit status of the previous command. passwd exits with 0 if everything worked ok, and non-zero if the ...

5 июл. 2023 г. · Just use ./script1.sh; ./script2.sh; ./script3.sh to execute the scripts sequencially, and use the trap keyword along with set -e to send the email.

10 янв. 2020 г. · 1 Answer 1 · In the case of the ls command, it exits with 0 when ls is successful (finds something). Is this 0 exit code interpreted as TRUE?

7 мар. 2010 г. · When running commands from a bash script, does bash always wait for the previous command to complete, or does it just start the command then go ...

12 мая 2015 г. · I want to run a command n number of times if it returns unsuccessful. I have started with the below loop until find . -type f -exec md5sum {} \; do <something ...

30 янв. 2014 г. · command1 && command2 does exactly what you want: command 2 is executed only if command1 succeeds. For example you could do: ls a.out && ./a.out

5 февр. 2015 г. · If the result of the snmpget command comes into sysUpTime variable, adding below if condition inside the first if condition should work.

13 сент. 2011 г. · Using double ampersands (&&) introduces error checking. The second command will run only if the first command is successful.