ocr-scan


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#!/bin/bash

jpeg_quality=70
jpeg_size=1500x1500

time=$(date +%Y-%m-%d_%H%M%S)
scanimage --resolution 300 -b -x 210 -y 297
i=1
while [[ -e "out$i.pnm" ]]; do
	img="out$i.pnm"
	newname="$(printf "%s_%03d" "$time" "$i")"
	unpaper "$img" "unpaper-$img"
	tesseract "unpaper-$img" "$newname.txt"
	convert "$img" -normalize -resize $jpeg_size -quality $jpeg_quality "$newname.jpg" && rm "$img" "unpaper-$img"
	((i++))
done

if [[ $1 = "--pdf" ]]; then
	convert "${time}"_*.jpg -resize $jpeg_size -compress jpeg -quality $jpeg_quality -density 72x72 -repage 595x842 "${time}.pdf" && rm "${time}"_*.jpg
fi