Wrapper script for tesseract to output to STDOUT.

ocr.sh

#!/bin/sh

if  [ ! "$1" ]
then
  echo "Usage: ocr <image-file>"
  exit
fi

if [ "x$1" = "x-h" ]
then
  echo "Usage: ocr <image-file>"
  echo
  cat <<EOF
  Example:
    | user@host ~ ocr shot.png
    | (amen
    | Nodes: 59719
    |
    | (ages: 174370
    | Undlveued Graph
EOF
  exit
fi

BASE=/tmp/tesseracttemp_$$
PIPE=$BASE.txt

rm -f      $PIPE
mkfifo     $PIPE
tesseract  "$@" $BASE &
cat        $PIPE
rm -f      $PIPE