#!/bin/bash

declared_main="beautiful" ----------------------- ①
function scope_test_func() ---------------------- ②
{
    declared_in_func="hello" -------------------- ③
    local func_local_var="world" ---------------- ④
    echo "from inside of function" -------------- ⑤
    echo " - declared_in_func => $declared_in_func"
    echo " - func_local_var => $func_local_var"
    echo " - declared_main => $declared_main"
    echo ""
}

scope_test_func -------------------------------- ⑥
echo "from outside of function" ---------------- ⑦
echo " - declared_in_func => $declared_in_func"
echo " - func_local_var => $func_local_var"
echo " - declared_main => $declared_main"