Repeat syntax addition

[Sri]

Peter Haworth wrote
> Wouldn't it be nice if you could:
> 
> repeat for each line rLine in tLines where rLine begins with "xyz"
> .
> end repeat

It would be even nicer if we could have the more general form

repeat for each line rLine in tLines [/condition/] [/transformation/]
...
end repeat

where
[condition] is an optional condition that returns a boolean, and
[transformation] operates on the line to transform it.

Thus, it could be useful as a filter, universal transformer, or conditional
transformer.

Regards,
Sri.



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