How to translate pdfs to text (results are very poor, and will need lots of corrections). Dependencies Search for 'tesseract english' (or whatever language). Arch: tesseract-data-eng and poppler-utils Script 1pdftoppm -png file.pdf test 1for x in *png; do 2 tesseract -l eng "$x" - >> out.txt 3done

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Turn a markdown file into a pdf: 1lowdown -stms "$FILE".md | pdfroff -itk -mspdf > "$FILE".pdf To give the document a title, put that title in the metadata: 1sed -i "1 i---" "$FILE".md 2sed -i 1 ititle: $TITLE $FILE.md 3sed -i "1 i---" "$FILE".md 4lowdown -L "$FILE".md 5lowdown -X title "$FILE".md 6lowdown -stms …

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You cannot erase pdf metadata with exiftool (it only appends your changes). To delete pdf metadata, you'll need gs. Make a text file called 'pdfmark.txt'. 1[ /Title () 2/Author () 3/Subject () 4/Creator () 5/ModDate () 6/Producer () 7/Keywords () 8/CreationDate () 9/DOCINFO pdfmark Then run: 1gs -o output.pdf …

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Uncompress a PDF 1pdftk ${input}.pdf output ${output}.pdf uncompress

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