Scan 1 page with desktop scanner (without running Xsane)

gistfile1.sh

#!/bin/bash
# scan documents to PDF
# t.przechlewski // 2013
#
XSIZE=210
YSIZE=297
MODE="Gr"
RESOLUTION=150  # try  "lin", "bin",  "gr", or "col"

USAGE="*** $0 -x XSIZE -y YSIZE -mode [lin|gr|col] -r RESOLUTION out-file.pnm
*** Domyślnie: XSIZE/YSIZE=A4, mode=Gr, RESOLUTION=150
*** Rozszerzenie .pnm jest opcjonalne"

while test $# -gt 0; do
  case "$1" in

    -help|--help|-h) echo "$USAGE"; exit 0;;

    -x)  shift; XSIZE="$1";;
    -x*) XSIZE="`echo :$1 | sed 's/^:-x//'`";;
    -y)  shift; YSIZE="$1";;
    -y*) YSIZE="`echo :$1 | sed 's/^:-y//'`";;
        ## ## ##
    -mode)  shift; MODE="$1";;
    -mode*) MODE="`echo :$1 | sed 's/^:-mode//'`";;
        ## ## ##
    -r)  shift; RESOLUTION="$1";;
    -r*) RESOLUTION="`echo :$1 | sed 's/^:-r//'`";;

    *)   OUT_FILE="$1";;
  esac
  shift
done

## ## ##
if [ "$OUT_FILE" = "" ] ; then  echo "$USAGE"; exit ;  fi
## podano nazwę z rozszerzeniem:
if [ ${OUT_FILE: -4} == ".pnm" ] ; then
   :
else
   OUT_FILE="$OUT_FILE.pnm"
fi

## ## ##
scanimage -x $XSIZE -y $YSIZE --mode $MODE -p --resolution $RESOLUTION > "$OUT_FILE"

/usr/bin/beep -f 500

PDF_FILE="`basename $OUT_FILE .pnm`.pdf"

if [ -f $OUT_FILE ] ; then
    echo "** konwertuję $OUT_FILE na $PDF_FILE" ;
    convert $OUT_FILE -page A4 $PDF_FILE
else
    echo "** Plik $OUT_FILE nie istnieje" ;
fi

## ## ##