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#!/bin/bash
# xsane2tess3 - tesseractOCR directly from xsane
# Copyright (C) 2012 Heinrich Schwietering
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
##############################################################################
#
# xsane2tess3 0.1
#
# *** tesseract made simple ***
#
#
##############################################################################
#
# xsane2tess is a TesseractOCR 3.0x wrapper to be able to use tesseract with xsane
#
#
#
TEMP_DIR=/tmp/ # folder for temporary files (all files)
ERRORLOG="xsane2tess3.log" # file where STDERR goes
if [[ -z "$1" ]]
then
echo "Usage: $0 [OPTIONS]
xsane2tess3 scans images with TesseractOCR
and outputs the text in a file or as hocr/html document
OPTIONS:
-i <file1> define input file (any image-format supported)
-o <file2> define output-file (*.txt/hOCR)
-l <lang> define language-data tesseract should use
-e <config> filename for tesseract
-f </path/to/Final> name and path fot multiscan document
Progress- & error-messages will be stored in this logfile:
$TEMP_DIR$ERRORLOG
xsane2tess depends on
- XSane, http://www.xsane.org/
- TesseractOCR, http://code.google.com/p/tesseract-ocr/
Some coding was stolen from 'ocube'
http://www.geocities.com/thierryguy/ocube.html
This adaption is based on xsane2tess
http://doc.ubuntu-fr.org/xsane2tess,
Hints always welcome! heinrich (dot) schwietering (at) gmx (dot) de
"
exit
fi
# get options...
while getopts ":i:o:l:c:f:" OPTION
do
case $OPTION in
i ) # input filename (with path)
FILE_PATH="$OPTARG"
;;
o ) # output filename
FILE_OUT="$OPTARG"
;;
l ) # Language-selection
LANG="$OPTARG"
;;
c ) # use hocr configfile
CONFILE="$OPTARG"
;;
f ) # final name for multiscan ocr file
FINAL="$OPTARG"
;;
esac
done
# redirect STDOUT to FILE_OUT
exec 1>>$FILE_OUT
# redirect STDERR to ERRORLOG
exec 2>>$TEMP_DIR$ERRORLOG
# strip path from FILE_PATH, use filename only
IN_FILE="${FILE_PATH##*/.*}"
echo "~~~+++~~~~+++~~~" 1>&2
# start OCR (tesseract expands output with *.txt/.html)
tesseract "$IN_FILE" "$FILE_OUT" -l "$LANG" "$CONFILE" 1>&2
echo Tesseract used with "$LANG" "$CONFILE" 1>&2
{ if [[ "$FINAL" != '' ]]
then
{ if [[ "$CONFILE" == "" ]]
then
# check if final txt file is already existing
{ if [[ ! -a "$FINAL".txt ]]
then
# start final ocr file
cp "$FILE_OUT".txt "$FINAL".txt 1>&2
echo "$FINAL.txt started" 1>&2
else
mv "$FINAL".txt "$FINAL".new.txt
cat "$FINAL".new.txt "$FILE_OUT".txt > "$FINAL".txt
echo "$FILE_OUT.txt added to $FINAL.txt" 1>&2
rm "$FINAL".new.txt
fi }
else
# check if final hocr file is already existing
{ if [[ ! -a "$FINAL".html ]]
then
# start final ocr file
cp "$FILE_OUT.html" "$FINAL".html 1>&2
echo "$FINAL.html started" 1>&2
else
mv "$FINAL".html "$FINAL".new.html
cat "$FINAL".new.html "$FILE_OUT".html > "$FINAL".html
echo "$FILE_OUT.html added to $FINAL.html" 1>&2
rm "$FINAL".new.html
fi }
fi }
rm $FILE_OUT
else
# STDOUT scanned text => FILE_OUT
cat "$FILE_OUT".*
fi }
rm $FILE_OUT.*
echo "~~~+++~~~~+++~~~"$(date +%c) 1>&2
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