vault backup: 2024-05-30 18:34:46

IT/Scripting.md

@@ -119,13 +119,16 @@ To execute a function, simply include the name of the function. To execute the a
 function_name
 ```
 
-To declare a local variable in a function, prefix the declaration with the `local` keyword.
+By default, all variables in bash are global. To declare a local variable in a function, prefix the declaration with the `local` keyword.
 ```bash
 function_name () {
-
+	local A='A'
+	echo `A`
 }
 ```
 
+To return a value from a function, use the `retu`
+
 ## Commands
 | Command            | Description                                                                                                                                                                                                                                               |
 | ------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |