Created
November 16, 2014 09:23
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A small script for quick and dirty image to pdf conversion with ocr.
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| #!/bin/bash | |
| # | |
| # Bookbinder by Joel Bergroth | |
| # A small script for quick and dirty image to pdf conversion with ocr. For example if your scanner produces multipaged tiffs and you want a small ocr'd pdf for reading on your tablet. | |
| # | |
| # Requirements: imagemagick, tesseract, scantailor, pdfbeads | |
| # | |
| # | |
| # Simple usage: sh bookbinder [/path/to/folder] | |
| # | |
| # Works with black and white multipage tiffs stored in a folder. | |
| # Example: sh bookbinder exampledit | |
| # Example: sh bookbinder /home/username/exampledir | |
| # Example: sh bookbinder exampledir swe | |
| # | |
| # Custom usage: sh bookbinder [/path/to/folder] [lang] [density] [color] | |
| # Example: sh bookbinder exampledir swe 300 color | |
| if [ -z "$1" ]; then | |
| echo "No input directory." | |
| exit 1 | |
| fi | |
| if [ -z "$2" ]; then | |
| language=eng | |
| else | |
| language=$2 | |
| fi | |
| if [ -z "$3" ]; then | |
| density="" | |
| else | |
| density="-density $3" | |
| fi | |
| if [ -z "$4" ]; then | |
| splitformat=tif | |
| colormode="" | |
| else | |
| splitformat=png | |
| colormode="--color-mode=color_grayscale" | |
| fi | |
| cd $1 | |
| mkdir split | |
| echo "Splitting multipage image files." | |
| convert $density * split/%05d.$splitformat | |
| mkdir pages | |
| echo "Running scans through scantailor." | |
| scantailor-cli $colormode split/* pages | |
| echo "Running OCR with tesseract using language: $language" | |
| cd pages | |
| for img in *.tif; do | |
| filename=${img%%.*} | |
| tesseract $img $filename -l $language hocr 2>> ../tesseract-log.txt | |
| echo " Processed $img" | |
| done | |
| echo "Binding book using pdfbeads." | |
| pdfbeads --bg-compression JPG --output ../../out.pdf *.tif | |
| exit 0 |
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