[00:37:34][pamaury@hafnium:/home/pamaury/Bureau/test]$ cat test2.sh
print_var() {
        echo "var: $var"
}
var=bla print_var
print_var
[00:37:38][pamaury@hafnium:/home/pamaury/Bureau/test]$ bash test2.sh
var: bla
var:
[00:37:39][pamaury@hafnium:/home/pamaury/Bureau/test]$ sh test2.sh
var: bla
var: bla
[00:37:41][pamaury@hafnium:/home/pamaury/Bureau/test]$