# Functions

* Allows you to reutilise code
* `function_name(){`\
  `[instructions]`\
  `}`

```bash
#!/bin/bash

menu_script(){
    echo "Menu [Título Script]"
    echo "===================="
    echo
    echo "1) "
    echo "1) "
    echo "1) "
    echo "1) "
    echo "1) "
    echo
}

sumar(){
    echo "
}

menuScript # call to the function
```

* Import functions:\
  `source ./script_file.sh`
