> For example, I'd like something like this
>
> ${repeat{\\+}{3}}
>
> to produce this:
>
> \+\+\+
>
> "Does such a thing exist?" he asked, somewhat hopefully. I've read
> "String expansions" through and can't find it, but perhaps it's a new
> feature that's arrived since 4.20?
I am not aware of it and exiscan adds a variable which contains such
a bar for probably that reason.
If an upper limit suffices, you could extract a substring of n characters
from a long sequence of "+" characters. Sure it's a hack, but it might
solve your problem.
Michael