Simple script to scan consecutive pages and OCR them waiting for Intro between pages

autoscan.sh

#!/bin/bash
# 
# Script to automatically scan consecutive pages and OCR them
# 
# Dependencies:
# scanimage from SANE
# convert from imagemagick
# tesseract for OCR
#
# But they are easy to replace
#

# Place to store the scanned images
DIRECTORY="$HOME/Pictures/autoscan"
# device argument to connect to the scanner
SCANNER="smfp:net;192.168.x.x"
DPI=300
# OCR language
TESSERACT_OCR_LANG="spa"

fin() {
        echo -n "Waiting for all the children... "
        wait # we're waiting for all the background spawned ocrs (tesseract &)
        echo "done"
        exit;
}
trap 'fin' INT


cd "$DIRECTORY";

while true ; do 
	FILENAME="scan-$(date +%Y%m%d-%H%M%S).jpg"

	scanimage --device-name="$SCANNER" -x 216mm -y 297mm --resolution $DPI --page-format A4 --format=pnm --progress | convert  pnm:- "$FILENAME"
	echo "Scan done, change sheet. Doing OCR now... "
	nice tesseract "$FILENAME" "$FILENAME" -l $TESSERACT_OCR_LANG -psm 1 &
	echo "Press Intro to scan another page or Ctrl-C to finish."
	read
done