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82 lines
1.5 KiB
Bash
82 lines
1.5 KiB
Bash
#
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# Declare variables
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#
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DEVICE="${SANE_DEFAULT_DEVICE:-}"
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OUTPUT_FILE=
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while [[ $# -gt 0 ]]; do
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case $1 in
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-d | --device)
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# Allows user to override the device used, since scanimage is
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# slow and the printer might not even change between runs
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DEVICE="$2"
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shift
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shift
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;;
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-*)
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echo "Unknown option $1"
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exit 1
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;;
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*)
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OUTPUT_FILE="$1"
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shift
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;;
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esac
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done
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#
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# Handle defaults
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#
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if [ -z "$OUTPUT_FILE" ]; then
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OUTPUT_FILE=./scan_"$(date)".pdf
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fi
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if [ -z "$DEVICE" ]; then
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DEVICE=$(scanimage --formatted-device-list="%d (%v %m)" --list-devices |
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fzf --header "Pick a device:" |
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cut -d ' ' -f 1)
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fi
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tempdir="$(mktemp -d)"
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do_scan() {
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filename="$tempdir/$(date).pdf"
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while ! scanimage --format=pdf --device="$DEVICE" --resolution 300 >"$filename"; do
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:
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done
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echo "$filename"
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}
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do_fix() {
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read -r filename
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fixed_name="${filename%.pdf}_fixed.pdf"
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gs -o "$fixed_name" -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress "$filename"
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rm "$filename"
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mv "$fixed_name" "$filename"
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echo "$filename"
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}
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while :; do
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do_scan | do_fix
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IFS= read -r -p "Continue scanning ? [Y/n] " cont
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case "$cont" in
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[nN])
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echo "Exiting..."
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break
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;;
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[yY] | *) ;;
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esac
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done
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# Multiple files are scanned, join them
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merged_filename="$tempdir/$(date)_final.pdf"
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pdfunite "$tempdir"/*.pdf "$merged_filename"
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echo "$merged_filename" | do_fix
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# Copy scan to current directory
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cp "$merged_filename" "$OUTPUT_FILE"
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# Make sure I don't remove things other than pdf
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rm "$tempdir/"*.pdf
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rm -d "$tempdir"
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