backup(restore) files in a printed paper

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ayryq:
OK, that's actually pretty cool. Inspired by a recent xkcd, I tried the google source code as a data source:

first part of 32-page PDF:
backup(restore) files in a printed paper

complete ½ page output of paperbak
backup(restore) files in a printed paper

Edit: source files attached.

ayryq:
With regards to QR codes, I found on Wikipedia that the longest text string encodable in QR is 1852 characters - not even enough for the first line of the google source I posted (>3000 chars).
There are already QR code generators/readers available for Android that will let you encode/decode text.
-4wd (December 06, 2015, 06:53 PM)
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