Return Value Function Bash. PPT Chapter 6 Functions PowerPoint Presentation, free download ID2565083 In the above C program, I created a function named add that takes two values and uses the return statement to add two values The command substitution, conversely, is used to get the standard output of a command or function
Returning Values from Functions in Bash Shell Scripting from ioflood.com
In computer a shell function name can take an input, $1 and return back the value (true or false) to the script function_name: This is the name you give to your function
Returning Values from Functions in Bash Shell Scripting
The bash function uses return values to indicate the success or failure of the last executed command In other words, you can return from a function with an exit status It follows the same rules as variable names in Bash.
Bash Script Return Value Unlocking Command Success. Although Bash has a return statement, the only thing you can specify with it is the function's own exit status (a value between 0 and 255, 0 meaning "success").So return is not what you want. The return command causes a function to exit with the return value specified by N and syntax is: return N
Bash Function Return Values LabEx. Although there exists a return statement, it can only be used to explicitly set the exit status code of a function Unlike many other programming languages, Bash restricts return values to single numerical values ranging from 0 to 255.