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Success! Thanks to Jeb for the clear explanation and solution provided :D I adjusted the code in the examples and got results as expected in all situations. callee.cmd: @echo off set "$PERCENT=%%%%~$=_p1_FOR-variable_DOLLAR_is_required_while_MACRO_DEFINITION_=:$" FOR %%$ in (DOLLAR) DO ( set "__macr...

@All, many thanks for responding and giving a lot of information and explanation! @T3RRY, your hints and Jeb's explanation make me wondering, i am going to experiment with the suggestions posted here. @Jeb ahh i see, thanks for the clear explanation. I will try to implement the suggestions and let y...

Interesting thing i remembered: FOR command also and even accepts unicode characters as variables.
This works.
(using È character with Alt+0456 on numeric keypad)

However, it does not solve the situation.

I don't want to pass the value of a for variable to another script or subroutine, far from that. I want the FOR variable to be left alone when defining the macro. To resummarize, i have accomplished: set __call=for %%A in set "__macro= do (if /i "%%~A" equ "_some value" (echo("some value" detected) ...

Thus far, the work-around is:
Either i don't define macros within FOR loops, or have such scripts called per line instead of within FOR loops.

Thanks for thinking with me by the way, appreciated!

Ah yea :) thought about that too. But chicken-egg problem: Macros are called with a caller macro which uses %%A. Macro definitions use %%A as argument input. The library scripts are called using a macro which uses %%A. Some library scripts define macros wihtin a FOR loop (with whatever %%*, that doe...

By the way, about: Remember, FOR variables are single-letter, case sensitive, global, and you can't have more than 52 total active at any one time. The documentation is actually incorrect about itself. The 52 characters limitation ought to be based on a-z A-Z. However, 0-9 and other characters like ...

I see. I know that they are global. The external scripts are, what i call, libraries with macro definitions. That's the reason why they are called externally, to load the macro definitions. These libraries are only called once, to load their macro definitions. And delayed expansion is not acceptable...

Situation description: I have some scripts which define macros within FOR loops and these macros are called using FOR loops. I have some other scripts which call these scripts within FOR loops. When doing so, i noticed that FOR variables within macro definitions are overridden. I have a work-around,...

Not sure what you want or how you want it exactly. More specifications of your goal might help. What do you mean with 'the guy'? Is this a set of characters which together look like a guy, like in ASCII art? How do you see 'control'? As in 'move' the set of characters? There are many ways to achieve...

I have read about the limitations of alternate data streams, such as NTFS required, not transportable (upload/download/email) and such. Fortunately this is not a problem for the project. NTFS is a requirement of the project because other features of NTFS are also used (file compression/encryption). ...

I see, sounds very interesting. Going to experiment with that as well!

I have tried that already like the cmd /C option, that doesn't work as expected.

The solution is to redirect the < cmd option to >nul and to redirect output from inside the stream to >con.

Maar dank je!

Manu thanks for all the great tips! :D Yes I've experienced the funny thing with CLS :P That's a nice idea about redirecting to stderr instead of CON, will do some tests with it. Absolutely right about the cmd /q and prompt no longer necessary, the example was a little piece i wrote quickly. I alrea...

Thanks for that quick of response! Sorry, I wasn't implying it was only related to alternate data streams, you are right that the title might suggest it. I changed the title of this topic a bit. Your suggestions fixed the problem! Many thanks! :) I thought I had tested that, but it turns out I forgo...