Returning values from a shell function
TIL that returning a value from a function in bash doesn’t do what I thought it does. Whenever you call a function that’s returning some value, instead of giving you the value, Bash sets the return value of the callee as the status code of the calling command. Consider this example: #!/usr/bin/bash # script.sh return_42() { return 42 } # Call the function and set the return value to a variable....