34 lines
574 B
Plaintext
34 lines
574 B
Plaintext
Unite PDFs:
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pdfunite $(ls *.pdf | sort -n) union.pdf
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Rotate 90 degress clockwise:
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pdftk union.pdf cat 1-endeast output 1.pdf
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Split vertically (use -x for horizontal split):
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mutool poster -y 2 1.pdf
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Split into separate files, one page per file:
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pdfseparate out.pdf %d.pdf
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Check Djvu metadata:
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djvused -e print-meta book.djvu
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OCR:
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To see list of languages:
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tesseract --list-langs
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To perform OCR (overwrites existing OCR layer):
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ocrmypdf -l rus+eng+fra --redo-ocr --tesseract-timeout 3600 --tesseract-non-ocr-timeout 3600 -O 0 input.pdf output.pdf
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