23 нояб. 2013 г. · When you assign a variable using command substitution, the exit status is the status of the command. How to use `set -e` inside a bash command substitution? Get exit codes of a pipe when output is assigned to variable ... bash - How to use detect failure in command substitution How to make failed command substitution exit shell when it's in ... Другие результаты с сайта stackoverflow.com

22 февр. 2017 г. · I want to check the exit code ( $? ) of my command afterwards. Checking $? like this always returns 0 because it successfully set the variable ... bash - Error exit script from within command substitution bash - Assigning exit code to a shell local variable Command substitution inside a function does not stop the script ... shell script - Get exit status of command substitution Другие результаты с сайта unix.stackexchange.com

8 окт. 2022 г. · The problem is that errexit is set. This flag basically means that the script should exit when a statement returns a non-zero exit code.

21 апр. 2018 г. · The exit code of an assignment of a command substitution is the exit code of the command substitution. See for example the exit code of foo="$( ... Why does assigning a variable with command substitution, and ... Wrong exit status upon evaluation of command substitution via ... Другие результаты с сайта superuser.com

Продолжительность: 6:18
Опубликовано: 25 июл. 2019 г.

27 февр. 2019 г. · You can save the command substitution in a variable first, which will let you keep the exit code: output=$(bash main.sh) exit_code=$? some ...

19 сент. 2022 г. · The return status (see Exit Status) of a simple command is its exit status as provided by the POSIX 1003.1 waitpid function, or 128+ n if the ...

28 авг. 2024 г. · There are several ways to exit a Bash script when an error occurs, including using the exit command, using the return command, and using the trap command.

2 мар. 2024 г. · Command substitution allows you to use the output of a command as an argument to another command or variable assignment.

18 янв. 2022 г. · Process substitution provides the output of a command via a file descriptor but doesn't tell whether the output is complete or correct.