How to get Keyword metadata from PDF's ?

Hi,
First of all apologies for perhaps stupid questions that I'm asking as I'm a AppleScript novice
What I'm trying to do is to convert PDF documents to image files (.png or .jpeg), this I can easily accomplish using the Automators "Render PDF Pages as Images" action.
The difficulty comes from that I also want to rename the generated image files (or PDF's before converting them to images) using part of the data that is contained in each PDF's Keywords metadata and for this I think I need to do some AppleScript coding (need to get and parse the Keyword metadata string for each PDF and then use the parsed data to rename files). Any ideas, hints or tips how this should be done using AppleScript ? (any websites / blogs where this kind of processing has been done ?)
Appreciate a lot if you can help in this,
Alan

Hi Alan,
Typing the following two lines in the Script Editor should list the metadata attributes for the choosen file:
set F to choose file with prompt "Choose a PDF file:" of type "PDF "
do shell script "mdls" & space & quoted form of POSIX path of F
For more information on "mdls", open the Terminal window and just type “man mdls” (and return).
Maybe you might also use the following AppleScript statement in case there were some keywords in the Spotlight comments field of the file:
tell application "Finder" to return comment of F
Message was edited by: Pierre L.

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