Aryeh Gregor wrote:
> * #len is implemented by [[Template:Str len]]. Running {{str len}} it
> on a string of 250 a's gives preprocessor node count 152, post-expand
> include size 4597 bytes, template argument size 7430 bytes.
> * #pos is implemented by [[Template:Str find]]. Trying to find b in a
> string of 250 a's gives preprocessor node count 1354, post-expand
> include size 5740 bytes, template argument size 50320 bytes.
> * #substr is implemented by [[Template:Str sub]]. Using the same
> string of a's, with start 30 and length 20, gives preprocessor node
> count 1534, post-expand include size 13400 bytes, template argument
> size 44578 bytes.
>
> Is there any good reason not to enable these three string functions, at least?
Those templates can be defeated by reducing the functionality of
padleft/padright, and I think that would be a better course of action
than enabling the string functions.
The set of string functions you describe are not the most innocuous
ones, they're the ones I most want to keep out of Wikipedia, at least
until we have a decent server-side scripting language in parallel.
-- Tim Starling
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