[TYPO3-core] RFC #12232: Bug: md5_file() to check if a file has been changed is very expensive [performance]

[André Stösel]

> Yes, but if you read the thread further, that is the outcome:
> http://lists.netfielders.de/pipermail/typo3-performance/2009-September/000276.html
> 
> I think (from reading your patch), that you did not follow this
> sketch, did you?

Yes, I did.
The only thing i changed is, that you can force to check the content
with md5_file.