[exim] Re: Reduce & inlist

Dňa 28. februára 2024 18:07:47 UTC používateľ Ian Z via Exim-users <exim-users@???> napísal:

>I have no real solution, but as tricky as it seems to be, I think a
>new built-in expansion operator to uniquify a list would be a good
>thing.

I found solution (workaround) -- move $value outside of inlist:

    INLIST = inlist{$item}{<,$value}
    APPEND = ${if def:value {, $item}{$item}}

    ${reduce {<, item1, item2, item1, item2, item3}\
             {}\
             {$value${if INLIST {}{APPEND}}}\
    }

My test shows that it works, but i am not sure if some problem
is not hidden in it. Comments please?

regards


-- 
Slavko
https://www.slavino.sk/

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