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I’d like to take a PDF file and convert it to images, each PDF page becoming a separate image.
“Convert a .doc or .pdf to an image and display a thumbnail in Ruby?” is a similar post, but it doesn’t cover how to make separate images for each page.
ImageMagick can do that with PDFs. Presumably RMagick can do it too, but I’m not familiar with it.
The code from the post you linked to:
pdfis anImageListobject, which according to the documentation delegates many of its methods toArray. You should be able to iterate overpdfand callwriteto write the individual images to files.