127 lines
2.9 KiB
Bash
Executable file
127 lines
2.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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# option values for the brother DS-740D scanner
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simplex_source='Automatic Document Feeder(left aligned)'
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duplex_source='Automatic Document Feeder(left aligned,Duplex)'
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color_mode='24bit Color[Fast]'
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bw_mode='Black & White'
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grayscale_mode='True Gray'
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valid_resolutions=("100" "150" "200" "300" "400" "600" "1200")
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# default options for scanning
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sides=$simplex_source
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mode='c'
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resolution='300'
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current_page=$(find "$PWD" -name "out*.pdf" | sort | tail -n 1);
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read -r current_pageno <<<"${current_page//[^0-9]/ }"
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current_pageno=${current_pageno:-0}
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last_out_file="out$current_pageno.pdf"
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next_out_file="out$((current_pageno+1)).pdf"
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scan() {
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# device="brother5:bus2;dev2"
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device=$(scanimage -f "%d%n" | grep brother5 | head -n 1)
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echo "Selecting scanner '$device'"
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usage() {
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echo "scanbuddy.bash scan -d -r <resolution($resolution)> -b <c|b|g>"
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}
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while getopts "dr:c:" flag; do
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case ${flag} in
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d)
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echo "Scanning duplex"
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sides=$duplex_source
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;;
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r)
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if [[ ! " ${valid_resolutions[*]} " =~ [[:space:]]${OPTARG}[[:space:]] ]]; then
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echo "Resolution '$OPTARG' not supported!"
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echo "Supported resolutions: $(printf %s "${valid_resolutions[*]}")"
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exit 1
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fi
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resolution=$OPTARG
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;;
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c)
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mode=$OPTARG
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;;
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*)
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;;
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esac
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done
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case $mode in
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c)
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scanner_mode=$color_mode
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;;
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b)
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scanner_mode=$bw_mode
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;;
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g)
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scanner_mode=$grayscale_mode
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;;
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*)
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echo "Mode '$mode' not supported! Supported modes: (c)olour|(b)lack & white|(g)reyscale"
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;;
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esac
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echo "Scanning to '$next_out_file'..."
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scanimage \
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--device-name="$device" \
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--format=pdf \
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--output-file="$next_out_file" \
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--mode="$scanner_mode" \
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--resolution="$resolution" \
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--source="$sides" \
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-x 210 -y 297 # A4
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}
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clean() {
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echo "Cleaning up..."
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rm -rfv "$PWD/out*.pdf"
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}
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dispatch() {
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readarray -d '' out_files < <(find . -regextype posix-awk -regex "\./out[0-9]+\.pdf" -print0 | sort -Vz)
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combined_file=$(mktemp --suff="_scanbuddy.pdf")
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gs -q -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE="$combined_file" -dBATCH "${out_files[@]}"
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echo "Merged pdf written to $combined_file"
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# send to paperless
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PAPERLESS_STATUS=$(curl \
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-H "Authorization: Token $PAPERLESS_TOKEN" \
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-F document=@"$combined_file" \
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"$([ -v PAPERLESS_TAG ] && echo "-F tags=$PAPERLESS_TAG")" \
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"${PAPERLESS_URL}/api/documents/post_document/") || FAILED=1
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if [ -v FAILED ]; then
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printf "Paperless failed with message:\n%s" "$PAPERLESS_STATUS"
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else
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printf "Paperless consumption job: %s\n" "$PAPERLESS_STATUS"
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fi
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clean
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}
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if [ "$#" -lt 1 ]; then
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echo "You need an argument!"
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exit 1
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fi
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case "$1" in
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scan)
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scan "${@:2}"
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;;
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unscan)
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rm "$last_out_file"
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;;
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dispatch)
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dispatch "${@:2}"
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;;
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clean)
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clean
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;;
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*)
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echo "Usage: scanbuddy scan|unscan|dispatch|clean"
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;;
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esac
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