Re: notification in python

hi Erik
that was food for thought..content length may not work if
substitutions leave length unchanged..
Will look into L distance ..thanks for the suggestion
regards
harry

> Content length (which you could also get using the HTTP header "Content Length") won't necessarily tell you if content has changed. I think your problem is a candidate forhttp://en.wikipedia.org/wiki/Levenshtein_distance(calculating the "distance" between two strings), for which I think there are Python implementations.
>
> Depending on your requirements, you could add other heuristics to detect major changes, e.g. load the page into an XML parser and only check certain <div>'s. But further suggestions would require more information on your problem.

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