Automatic diffuse.jpg + alpha.jpg to TIF

When you buy collections of plants, people, trees or whatever on the web, you often receive (for a reason of web transfert I suppose) 2 JPGS, one with alpha and the other with diffuse... So to get a transparent TIF, you first need to open the diffuse, put the alpha on it, select channel, delete, save ... etc etc ... ok for 1, let's say 2, 3 , 10 images... but when there are hundreds, it's a real timeloss ... Here is a little script that'll quickly do the job for you ... Let's see it in action first :

Well sorry, no audio yet, but it'll come soon !
Ok ... For those who are still interested, there is a little setup to do first ...but once it's done... it's really quick.