Re: about the local not-on-every-function-separately var issue

[Alex fxmbsw7 Ratchev]

im sorry to not be able to reply to all your stuffs
you didnt make it easy
im happy it works for me now

On Mon, Mar 22, 2021 at 3:43 AM Greg Wooledge <greg@wooledge.org> wrote:
>
> On Mon, Mar 22, 2021 at 03:12:25AM +0100, Alex fxmbsw7 Ratchev wrote:
> > i realize its somewhat of a big limitation, to have only global and
> > one level further ( local ) args, no per function
>
> One or more of your assumptions are wrong.
>
> Bash uses "dynamic scope" when it expands variables.  This means that
> it looks first in the current functions local variables; if the variable
> isn't found there, it looks in the caller's local variables, and then
> in the caller's caller's local variables, and so on, until it reaches
> the global scope.
>
>
> f() {
>   local var=set_in_f
>   g
> }
>
> g() {
>   echo "var is $var"
> }
>
> var=global
> f
> # Prints "var is set_in_f"
>
>
> Now, the big question is WHY you thought something which is not correct.
>
> The most common reasons that people think something which is wrong are:
>
> 1) They heard or read it somewhere, and did not verify it themselves.
>
> 2) They encountered a problem with their own program, and while attempting
>    to track down the problem, they took a wrong turn, and did not fully
>    diagnose the situation.  They drew a wrong conclusion from partial data.
>
> In your case, I suspect it's #2.
>
> This project that you've been working on is so incredibly arcane,
> convoluted and bizarre that *nobody* understands it, including you.  Who
> knows how many other fallacious assumptions are baked into it, since you
> are apparently incapable of simplifying anything down to the most basic
> level for debugging, or even explaining what your *goal* is.
>