[gropierre]

Would it be possible to use Automator to clear the cache in google Chrome for example. It would be nice to simply push a button instead of going to Tools, options, clear data etc.

 

[pm-r]

Google itself is a good place to search for a possible solution and then ... ;-) ... one finds:

Maintenance and it's automator scripts.
Automator Action: Maintenance 3.8 | Mactoids for Apple Macintosh

and

Download Maintenance for Mac - OS X maintenance utility. MacUpdate Mac Software Downloads

And it's free.

Cocktail (paid) and Onyx (free) amongst others can do such 'maintenance' tasks as well.