Great show Jon. I like how pdftk can do so many things to PDFs.

You'd expect me to comment on the script, so I tend to use 'find' instead of 'ls' in such cases. It has some powerful regular expression capabilities and is less error-prone than 'ls' in my experience. It's more complex to get right though.

Ken: I don't think CUPS can scan. In my show 1864 I described how I'd set up SANE to do scanning on my Raspberry Pi connected to my HP Inkjet/Scanner. That was for one-at-a-time scanning though, not bulk stuff.

Interesting donkey-related fact: Thursday January 14th is The Festival of the Ass. I have it in my calendar