7 мар. 2011 г. · The return value is stored in $?. 0 indicates success, others indicates error. some_command if [ $? -eq 0 ]; then echo OK else echo FAIL fi

17 февр. 2014 г. · I'm working on my bash script to create logical volumes. I have this command which I want to put in a if to check of each of these succeed. What is the easiest ...

28 янв. 2019 г. · && means to run it if the previous command was successful. In Unix that generally means exit status 0.

16 февр. 2014 г. · The question is how to put the command in a if (to see if the command succeeded), and when the script ask to continue creating array it will auto say yes.

2 мар. 2022 г. · I am running a couple of bash commands and want to check if all of them ran successfully at the end. How should I go about this?

4 июн. 2019 г. · I have a bash script where I'd like to check if an alias to activate conda runs successfully and if not raise an error.

21 окт. 2021 г. · The exit status of a pipeline is the exit status of the last command in the pipeline, unless the pipefail option is enabled.

7 июл. 2018 г. · I want to monitor the output of a command and whenever it contains a certain string I want to run another command.

26 апр. 2014 г. · Commands (and functions) have exit values. Usually, an exit value of 0 means the command was successful and a value > 0 means it failed.

25 июл. 2013 г. · Usually 0 means success, and non-zero means some kind of failure. The string (or text) that the command spits out is referred to as its "output" ...