ruby and PDF

the speaker: Lukas Rieder
working for "paper c"

some approaches

writing PDF
... act as flying saucer ...

UNIX tools

xpdf :
$ pdftotext -layout -enc UTF-8 ...

pdftk
$ pdftk compressed.pdf uncompress output uncompressed.pdf

imagemagick
$ convert ... # e.g. towards JPEG

the speaker wrapped some unix tools and called that "PdfUtils", and released it as GEM.