> For example, suppose in my tcl script I have
> set num 2
>
> and in procedure
> proc test {}
> {
> global num
> set $num 3
^^^
set num 3
> }
>
> if after test is called, I have the following statement
>
> puts "num =$num"
>
> can I get num=3 instead of 2? I tried but it doesn't seem so. So how can I get the value of a variable which is changed inside a procedure?
>
> Thank you.
>
>
>