Re: Res: Script speed improvement advice

[Andy Armstrong <andy@...>]

On 13 Feb 2009, at 17:39, Sérgio Medeiros wrote:
> I could really do with some advice on how to speed up a script I've  
> written.
>
> Basically, the script does a string.find on a large piece of text  
> (500 words-ish - sometimes more) for occurrences of any word from a  
> list of over 40,000.
> At the moment, I'm going through a table which contains the 40,000  
> "check words" and performing this string.find on each one.


Build a hash of all the words you want to find, split the source text  
into words and check each one against the hash.

--
Andy Armstrong, Hexten