Any time the collection is modified (new entry or other modification) the plugin auto re-export the file.bib where it was previously registered and replace the obsolete one. The other PDF management software out there like Mendeley and Papers do this and I wanted to do it in BibDesk so thanks to programs that other people have written and open source software I was able to hack is together over the course of the weekend and I am demonstrating it here here's a BibDesk record and as you can see there's only a do.i and with a keystroke which runs this PDS meet AppleScript it will populate that information I'm similarly this record as a title only and again just by reading PDF me it stills and much the remaining information and finally this record has apts and nothing else and even so a.m. Once installed you can select one or more collections (or the all bibliography) and export it as a file.bib. See James Howison and Abby Goodrum's paper Why can't I manage academic papers like MP3s for a good description of where all this came from.So this is a demonstration importing PDF and BibTeX records into BibDesk. For the XMP, try extracting it with a regular expression. You can read a file's extended attributes using an xattr script and read the Info Dictionary (sometimes) using mdls (on Mac OS 10.4). Unfortunately there aren't many libraries for reading and writing XMP, so at the moment tools like BibDesk aren't able to use it. The last storage place-the XMP metadata stream- is theoretically the ideal place for storing metadata in PDFs. Thanks to Adam Maxwell, if you get the latest nightly build of BibDesk and run this command in the Terminal (while BibDesk isn't running): defaults write .mmccrack.bibdesk BDSKShouldUsePDFMetadata 1 then you should be able to drag the PDF into BibDesk's main window and the metadata will automatically be imported from the extended attributes (and if you have AutoFiling turned on then the file will be renamed and moved to your papers folder automatically too). The second storage place-the file's extended attributes- is not cross-platform and is lost when the file is transferred by email or zipped (it's stored in a hidden dot-file on Mac OS X and in a similar way on other UNIX-based systems). If you run this command in the Terminal (while BibDesk isn't running): defaults write .mmccrack.bibdesk BDSKDefaultGroupFieldSeparatorKey ", " then drag the PDF into BibDesk, select the entry and run this Applescript from BibDesk's Scripts menu, it should read the BibTeX string, clean it up and update the entry accordingly. The first of those metadata storage places-the Keywords field- is old-school and messes up the Keywords field, but works across platforms. The Perl script used to identify the title of the paper, fetch the BibTeX metadata from HubMed and write it into the file.Set BibDesk to rename (autofile) the PDFs (and other attached files - careful when importing in Zotero/Zotfile to that also non-PDFs are handled) to something simple without any non-English characters, i.e. A PDF file of an academic paper that has its metadata written-in the form of a BibTeX string-into a) the Keywords field of the PDF Info Dictionary, b) the extended attributes ( xattr) of the PDF file and c) the PDF file's XMP metadata stream. Briefly, to import the bib library along with the files to Zotero: 1. The XMP writing is particularly exerimental. Note: I recommend that you make a backup of your PDFs before trying any of this, just in case.
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