How to open PDF on Linux (Ubuntu) and see DPI of pictures inside?

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RWizard2015-01-23 17:51:00

linux

RWizard, 2015-01-23 17:51:00

Can you please tell me how to open a PDF on Linux or parse a PDF and see the DPI of the pictures in it? Or if this is not possible, then how can you "gut" a PDF and then see the DPI of the pictures. Ideally, if there is a similar gem for Ruby.

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Eddy_Em, 2015-01-23
@Eddy_Em

man pdfimages
Yes, with identify you can get information about the size of an image and so on.