That means a temporary 100MB increase of hard drive usage per page in your pdf while the program is running. NOTE: This program works by converting each page of the PDF file into a 100MB TIFF image. I suggest placing it somewhere in your $PATH so you can run it from the same directory as the pdf file and not have weird filenames. The following shell script will attempt to ocr your file. If it works, congratulations and don't move on :) Xpdf-utils (which you just installed) provides a pdftotext utility: For example, package tesseract-ocr-fra allows you to ocr the french language. Side Note: You will need to install language packages for tesseract for every other language you wish to use. Sudo apt-get install tesseract-ocr tesseract-ocr-eng xpdf-reader xpdf imagemagick xpdf-utils As anyone who has tried knows, using optical character recognition on pdf files can be confusing, especially since Tesseract (), repeatedly hailed as the best free ocr software can only do *tif files.
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