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So let’s say you have some random PDFs and what you want is one PDF that includes all of the original PDF files and a table of contents listing all of the files and the proper page numbers. Well in Ruby it is not too hard to put this together. There are a wealth of plugins, gems, and other ruby software available for manipulating and creating PDFs (a thorough list can be found here – http://wiki.rubyonrails.org/rails/pages/HowtoGeneratePDFs). To get this project up and running we are going to use two PDF::Writer (http://rubyforge.org/projects/ruby-pdf/) and PDFTK (http://www.accesspdf.com/pdftk/) – though if you want to get fancier and also include text, html, or xml documents you can use PDF::Htmldoc (http://htmldoc.rubyforge.org/) which requires Htmldoc to be installed. Before I do get started though, I also have give thanks to George Anderson over at Benevolent Code who wrote a lot of similar code on the project which provided me with some great examples.

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