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I may have had some syntax error or other minor issue that caused trouble, but I couldn't ever seem to get a loop to work, and just didn't have time to keep at it. In the process of trying to work out the loops, I looked at some posts on Commandline Kung Fu and other similar (well, similar, but less awesome, no doubt) sites. I messed around with looping in Windows a bit, but - another piece of the scenario - is that time was limited (of course!). If I was in Linux, I would've been more comfortable with creating a loop to go through the files and feed a variable (ie, the file) to pdfinfo. I tried to use my limited Windows CLI knowledge and get it to feed the PDFs to pdfinfo, with no joy. I tried against a single file, and that worked fine. Which would give STDOUT (or could be redirected to a text file, for instance). Alas, that was not to be the tool is designed to be run like
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I had already located and exported the PDF files in question out to a single directory for parsing, and I was hoping it'd be as quick and easy as pointing pdfinfo to that directory and redirecting output to a file of my choosing. It's a command-line utility, which is fine by me. pdfinfo (which is a free utility, by the way) will extract this metadata from within a PDF file. PDF file metadata (author, title, revision, etc) is primarily stored in a couple different places within a PDF - the Info Dictionary, and/or the XMP (eXtensible Metadata Platform) stream. For those who are not familiar with it, pdfinfo is part of xpdf, an open source PDF viewer utility. No fancy commercial tools such as EnCase were at my disposal to automate the task for me, so I turned to pdfinfo. Here's the scenario: I was stuck in Windows, and had a virtual ton of PDF files from which I need to extract metadata. This is going to be just a quick, short post (hey, don't laugh - it *can* happen!) with something I wanted to pass along to all my fearless readers.