19 окт. 2020 г. · I have used 'return' to return number from shell function, Also I know 'echo' is used to return string from function.

20 окт. 2020 г. · I want to use the $result without doing a fork. How can I do it, except the trivial solution (setting a global variable in fun() )?

4 февр. 2023 г. · So, if the function succeeds, return 0 would likely be considered more right than return 1 .

28 мая 2018 г. · If return is not executed, an implicit return is made at the end of the shell function or dot script.

18 мар. 2016 г. · I'm trying to figure out how redirects could be used to selectively output a string from a bash function which needs to print multiple lines to the terminal.

15 сент. 2013 г. · You cannot return an arbitrary result from a shell function. You can only return a status code which is an integer between 0 and 255.

3 дек. 2017 г. · Yes, bash 's return can only return numbers, and only integers between 0 and 255. For a shell that can return anything (lists of things), you can look at es.

29 янв. 2015 г. · Assuming you want to use A && B || C , then simply call the function directly: tst && echo "success" || echo "failure".

28 февр. 2019 г. · This grep command would search for the string in the given file and return a zero exit status (true) if a line is found that is exactly ...

3 апр. 2019 г. · I've set a function in a shell script that checks if a folder exists, if it does not exist, tries to created it, and if it can not create the folder.