Bash return a value from shell script into another shell script
3 Answers Sorted by 9 myfunction could be something like A B C Just echo the result myfunction echo 1 2 The above myfunction adds two numbers and echoes the result The return value can then be captured just as you had it var myfunction 12 5 echo var 17
Shell script How to return from bash functions the right way Unix , 0 The shell considers an exit status of zero as truthy succesful and a nonzero status as falsy failing So if the function succeeds return 0 would likely be considered more right than return 1 As for set e set o errexit it doesn t trigger on just any command function e g it ignores those that are used as conditions or where the exit
How do you return to a sourced bash script Stack Overflow
How do you return to a sourced bash script Ask ion Asked 13 years 2 months ago Modified 3 years 1 month ago Viewed 34k times 79 I use source inside a bash script as follows bin bash source someneatscriptthatendsprematurely sh
Bash Function How to Use It Variables Arguments Return phoenixNAP, Introduction A bash function is a method used in shell scripts to group reusable code blocks This feature is available for most programming languages known under different names such as procedures methods or subroutines This article provides a complete overview of bash functions how they work and how to use them Prerequisites
Difference between return and exit in Bash functions
Difference between return and exit in Bash functions, The difference between the return and exit statement in Bash functions with respect to exit codes is very small Both return a status not values per se A status of zero indicates success while any other status 1 to 255 indicates a failure The return statement will return to the script from where it was called while the exit statement
Bash Function How To Use It Variables Arguments Return
Returning Values from Bash Functions Linux Journal
Returning Values from Bash Functions Linux Journal The simplest way to return a value from a bash function is to just set a global variable to the result Since all variables in bash are global by default this is easy function myfunc myresult some value myfunc echo myresult The code above sets the global variable myresult to the function result
How To Start Shell Scripting Phase17
If you wish to return a text string then you will have to do that through stdout or a file There are several ways of capturing that the simplest is Child for example child script echo some text value Parent retn value child script Share Improve this answer Follow edited Jun 13 2018 at 17 33 TRiG Bash Return value from subscript to parent script. Updated May 30 2020 5 min read A Bash function is essentially a set of commands that can be called numerous times The purpose of a function is to help you make your bash scripts more readable and to avoid writing the same code repeatedly Compared to most programming languages Bash functions are somewhat limited You can capture the return value of a function into a variable using this syntax 1 variable name my function In the above example the return value of the my function function is assigned to the variable variable name You can then use this variable in your script for further processing or display its value
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