Bring back the 90s - Babelfish-style on-screen OCR

screen-ocr

#!/bin/bash
# needs:
#  - bash
#  - xfce4-screenshooter
#  - zenity
#  - ImageMagick
#  - Tesseract OCR (include the languages you want)

[ "$1" ] || exec xfce4-screenshooter -r -o $0
TI=`mktemp`
{ echo 0
  convert -resize 2000% -filter Welsh "$1" $TI 1>&2 > /dev/null
  echo 50
  tesseract $TI $TI -l 'eng+deu+fra' 1>&2 > /dev/null
  echo 100
} | if zenity --progress --auto-close
then
  zenity --text-info < $TI.txt
else
  for i in `pgrep -P $$` ; do pkill -P $i ; done
  pkill -P $$
fi

rm -f $TI $TI.txt "$1"