I have recently undertaken some training in which I have to cover a massive amount of material. Being the natural procrastinator that I am, I immediately went on the prowl for better books, better methods, and all other sorts of periphery that doesn't actually count as studying.One of these projects was to convert the text versions of my study guides to audio, so that I could listen to the text in the car while I drive (an ideal time to study). The process was actually surprisingly simple. Start by opening the PDF in Preview, then press Command-A (select all) and Command-C (copy). Open a new document in TextEdit and press Command-V (paste), then convert the document to plain text (Format » Make Plain Text). Save the file to a .txt document; for this example, we'll name it rawfile.txt.At this stage, you might want to do some clean-up on the text. For instance, you might want to do some additional regular expression hacking to clean up the document for things...

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