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#!/bin/sh
# This sample scripts shows the use of fim for assisted batch scanning in a X free environment.
function die() { echo " [!] : " $@ ; exit 1 ; }
function info() { echo " [*] : " $@ ; }
function askn() { local c ; c='' ; info $@ ; read c ; if test "$c" != "y" -a "$c" != "Y" ; then return -1 ; fi ; return 0 ; }
function asky() { local c ; c='' ; info $@ ; read c ; if test "$c" != "n" -a "$c" != "N" ; then return 0 ; fi ; return -1 ; }
function askexit() { asky "are you sure you want to exit [Y/n]?" || return 0 ; info "ok. exiting now..." ; exit ; }
[[ $1 != "" ]] && { info "this is a sample script using fim and scanimage... invoke it without arguments please." ; exit ; }
shopt -s expand_aliases || die "no aliases ? you should update your bash shell.."
scanimage --version 2>&1 > /dev/null || die "no scanimage ?"
GEOMETRY=' -l0mm -t0mm -x210mm -y300mm'
LODEPTH='--depth 1'
HIDEPTH='--depth 32'
HIRES='--resolution 200'
LORES='--resolution 20'
FORMAT='--format=tiff'
FORMAT=
alias scan.a4='scanimage $GEOMETRY $HIDEPTH $HIRES $FORMAT'
alias scan.lo='scanimage $GEOMETRY $LODEPTH $LORES $FORMAT'
alias scan='scan.a4'
alias filter_bugged_scanimage_pnm="grep -v 'scanimage.*backend'"
DIR="${TMPDIR-/var/tmp}/fbscan-$$"
TF=$DIR/scan.fim.tmp
# we must have write permissions in that directory
mkdir -p $DIR || exit 1
# we want that directory clean after this script execution, no matter what happens
trap "rm -rf $DIR" EXIT
i=1;
FN=`printf "scan-%004d.pnm" "$i"`
while ! askn "do you to wish start scanning ? we begin with $FN [y/N]" ; do askexit ; done
for ((i=1;i<100;i+=0))
do
info "scanning $FN..."
scan.lo | filter_bugged_scanimage_pnm | fim -i -c 'bind "y" "return 0;";bind "n" "return -1;";status "press y to scan this image in high resolution. press n otherwise."' && scan.hi > $FN
if test "$?" = "0" ; then ((++i)) ; fi
FN=`printf "scan-%004d.pnm" "$i"`
while ! askn "do you wish to continue scanning ? we continue with $FN [y/N]" ; do askexit ; done
done
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