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Posted by Anonymous on Mon 4th Jun 2018 01:33
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  1. pdfseparate ../source.pdf page%04d.pdf
  2. ls *.pdf | awk '1==1 {printf("convert -quality 100 -density 200 %s %s.tif\n",$0,$0)'}
  3. ls *.tif | gawk '1==1 {printf("tesseract -l eng+ita %s %s.txt pdf \n",$0,$0);}'  | sh
  4. pdfunite *.txt.pdf out.pdf
  5. pdftotext out.pdf out.txt
  6. cat out.txt | tr "'" ' ' | tr ' ' '\n' | tr A-Z a-z | tr '.' ' ' | tr ',' ' ' | sort  | uniq -c | sort -rn > words_frequency.txt
  7.  
  8.  
  9.  
  10. convert -density 50 file.pdf[0] page.jpg  # convert page #0 to jpg  [0,10] 0 and 10

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