Instapaper-to-PDF is a simple script that prints PDFs of your Instapaper items.
You will need HTMLDOC installed in order to utilize this script.
To install on OS X via Homebrew: brew install htmldoc.
Please review the official documentation for installation on other platforms.
Set your username, password, and desired path for saved PDFs in "instapaper_to_pdf.rb". Then run:
ruby instapaper-to-pdf.rb
Importing to DEVONthink and deleting articles from Instapaper after print are disabled by default. Uncomment the respective lines to enable them.
Suggestions and pull requests are more than welcome.