forked from pub-solar/os
59 lines
1.5 KiB
Nix
59 lines
1.5 KiB
Nix
self: with self; ''
|
|
echo "$@"
|
|
DUPLEX=,Duplex
|
|
removeempty="true"
|
|
|
|
[[ $1 == "-s" ]] && {
|
|
DUPLEX=""
|
|
removeempty=false
|
|
shift
|
|
}
|
|
|
|
[[ $1 == "-a" ]] && {
|
|
DUPLEX=,Duplex
|
|
removeempty="true"
|
|
shift
|
|
}
|
|
|
|
[[ $1 == "-d" ]] && {
|
|
DUPLEX=,Duplex
|
|
shift
|
|
}
|
|
|
|
cleanup() {
|
|
echo finalizing pdf file.
|
|
${img2pdf}/bin/img2pdf --pdfa --output /tmp/scan2paperless_$$.pdf /tmp/scan2paperless_$$_*.png && \
|
|
rm -f /tmp/scan2paperless_$$_*.png
|
|
|
|
scp /tmp/scan2paperless_$$.pdf pub-solar@paperless.faenix.eu:~/.local/share/scandir \
|
|
&& rm -f /tmp/scan2paperless_$$* \
|
|
|| echo upload failed, retaining file /tmp/scan2paperless_$$.pdf >&2
|
|
}
|
|
|
|
trap 'cleanup; exit 1' EXIT
|
|
|
|
${sane-backends}/bin/scanimage --device 'brother5:bus1;dev5' --format=png --resolution 300 --batch=/tmp/scan2paperless_$$_%d.png --AutoDeskew=yes --batch-start=10 --source="Automatic Document Feeder(left aligned''${DUPLEX})" -x 210 -y 297
|
|
|
|
if $removeempty
|
|
then
|
|
threshold=99
|
|
images=( )
|
|
values=( )
|
|
for f in /tmp/scan2paperless_$$_*.png
|
|
do
|
|
images[''${#images[@]}]=$f
|
|
values[''${#values[@]}]=$(${imagemagick}/bin/convert "$f" -fuzz 02% -fill black +opaque white -fill white -opaque white -format "%[fx:100*mean]" info:)
|
|
done
|
|
|
|
for ((i=0;i<''${#images[@]};i++))
|
|
do
|
|
if [[ $(echo "''${values[i]} > $threshold" | ${bc}/bin/bc -l) == "1" ]]
|
|
then
|
|
# bc will output 1 if the comparison is true, 0 otherwise
|
|
echo image "''${images[i]}" was found to be mostly white, removing.
|
|
rm "''${images[i]}"
|
|
fi
|
|
done
|
|
fi
|
|
''
|