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https://github.com/rocketraman/sane-scan-pdf.git
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Fujitsu Scansnap S1500 scanning
This commit is contained in:
Raman Gupta
parent
32d89d8b60
commit
143f2174f3
164
scan
Executable file
164
scan
Executable file
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#!/bin/sh
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DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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DEVICE=fujitsu
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OUTPUT=scan.pdf
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APPEND=0
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RESOLUTION=300
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MODE=Lineart
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SCRIPT="$DIR/scan_perpage"
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DUPLEX=0
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DESKEW=0
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SEARCHABLE=0
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MAXPAGE=
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TRUNCPAGE=0
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HELP=0
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SIZE=Letter
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PGHEIGHT=
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PGHEIGHTIN=11
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PGWIDTH=
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PGWIDTHIN=8.5
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VERBOSE=0
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# The unpaper processing reduces the file size considerably, so 300 dpi is selected.
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# When not using unpaper (--nodskew) it is recommended to scan at a lower resolution e.g. 200 dpi.
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# Parse command-line options
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while [ $# -gt 0 ]; do
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case "$1" in
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-v|--verbose) VERBOSE=1 ;;
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-d|--duplex) DUPLEX=1 ;;
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-m|--mode) shift; MODE=$1 ;;
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-r|--resolution) shift; RESOLUTION=$1 ;;
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-o|--output) shift; OUTPUT=$1 ;;
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-a|--append) APPEND=1 ;;
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-e|--max) shift; MAXPAGE=$1 ;;
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-t|--truncate) shift; TRUNCPAGE=$1 ;;
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-h|--help) HELP=1 ;;
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-s|--size) shift; SIZE=$1 ;;
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-ph|--page-height) shift; PGHEIGHT=$1 ;;
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-pw|--page-width) shift; PGWIDTH=$1 ;;
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--dskew|--deskew) DESKEW=1 ;;
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--searchable|--ocr) SEARCHABLE=1 ;;
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esac
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shift # next option
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done
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if [ $HELP -eq 1 ]; then
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echo "$(basename $0) [-d|--duplex] [-m|--mode] [-r|--resolution] [-o|--output] [-a|--append] [-e|--max] [-s|--size | [-ph|--page-height] [-pw|--page-width]] [--nodskew]"
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echo " -v Verbose output (this will slow down the scan due to the need to prevent interleaved output)"
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echo " -d Duplex scanning"
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echo " -m Mode e.g. Lineart (default), Halftone, Gray, Color, etc."
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echo " -r Resolution e.g 300 (default)"
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echo " -o Output e.g. scan.pdf (default)"
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echo " -a Append output to existing scan"
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echo " -e Max number of pages e.g. 2 (default is all pages)"
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echo " -t Truncate number of pages from end e.g. 1 (default is none)"
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echo " -s Page Size as type e.g. Letter (default), Legal, A4"
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echo " -ph Custom Page Height in mm"
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echo " -pw Custom Page Width in mm"
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echo " --nodskew Do not deskew (no unpaper)"
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echo ""
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exit 0
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fi
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if [ -f "$OUTPUT" -a ! $APPEND = 1 ]; then
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echo >&2 "Output file $OUTPUT already exists. Delete or specify -a. Aborting."
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exit 1
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fi
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SOURCE=""
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if [ $DUPLEX -eq 1 ]; then
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SOURCE="--source \"ADF Duplex\""
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fi
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if [ "$MAXPAGE" != "" ]; then
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MAXPAGE="-e $MAXPAGE"
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fi
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PS2PDF_OPTS=
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# Specify non-letter sizes in mm
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case "$SIZE" in
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Letter) PGHEIGHTIN=11; PGWIDTHIN=8.5 ;;
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Legal) PGHEIGHT=355.6; PGWIDTH=215.9 ;;
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A4) PGHEIGHT=297; PGWIDTH=210 ;;
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esac
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if [ "$PGHEIGHT" != "" ]; then
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PGHEIGHTIN=$(units --compact -1 "$PGHEIGHT mm" 'in')
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PGHEIGHT="--page-height $PGHEIGHT -y $PGHEIGHT"
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PS2PDF_OPTS="-dEPSCrop"
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fi
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if [ "$PGWIDTH" != "" ]; then
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PGWIDTHIN=$(units --compact -1 "$PGWIDTH mm" 'in')
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PGWIDTH="--page-width $PGWIDTH -x $PGWIDTH"
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PS2PDF_OPTS="-dEPSCrop"
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fi
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export VERBOSE
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export DESKEW
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export SEARCHABLE
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export RESOLUTION
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export PGWIDTHIN
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export PGHEIGHTIN
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export PS2PDF_OPTS
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if [ $VERBOSE = 1 ]; then
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LOCKFILE=$(mktemp)
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trap "rm -rf $LOCKFILE" 0
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export LOCKFILE
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fi;
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echo >&2 "Scanning..."
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#eval strace -f -o /tmp/scan-trace.txt scanadf -d $DEVICE $MAXPAGE $PGHEIGHT $PGWIDTH -S $SCRIPT --script-wait --resolution $RESOLUTION --mode $MODE $SOURCE -o scan-%04d
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eval scanadf -d $DEVICE $MAXPAGE $PGHEIGHT $PGWIDTH -S $SCRIPT --script-wait --resolution $RESOLUTION --mode $MODE $SOURCE -o scan-%04d
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numscans=$(ls scan-[0-9]*.pdf | wc -w)
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if [ $numscans -gt 0 ]; then
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echo ""
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echo "Processing $numscans pages"
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if [ $TRUNCPAGE -gt 0 ]; then
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source /usr/local/bin/stack.sh
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for x in scan-[0-9]*; do push $x; done;
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for x in $(seq $TRUNCPAGE); do rm $(pop); done;
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echo "Truncated $TRUNCPAGE pages"
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fi
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if [ $numscans -gt 1 -o $APPEND -eq 1 ]; then
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echo "Concatenating pdfs..."
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if [ -f "$OUTPUT" ]; then
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mv "$OUTPUT" "${OUTPUT}.orig"
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fi
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pdfunite $(ls ${OUTPUT}.orig 2>/dev/null) $(ls scan-[0-9]*.pdf) $OUTPUT
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rm scan-[0-9]*.pdf
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else
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mv scan-0*.pdf $OUTPUT
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fi
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chown raman:raman $OUTPUT
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echo ""
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echo "Done."
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else
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echo "Found no scans."
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fi
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97
scan_perpage
Executable file
97
scan_perpage
Executable file
@ -0,0 +1,97 @@
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#!/bin/bash
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# Usage: scan_perpage <imagefile>
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# where imagefile is the data just scanned
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# (specify this script to scanadf via -S)
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usage()
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{
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echo "Usage: $0 <imagefile>"
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echo "Set the following environment variables:"
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echo " DESKEW"
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echo " SEARCHABLE"
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echo " RESOLUTION"
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echo " PGWIDTHIN"
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echo " PGHEIGHTIN"
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echo " PS2PDF_OPTS (optional)"
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echo " VERBOSE (optional)"
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echo " LOCKFILE (required if VERBOSE=1)"
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}
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log()
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{
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if [ $VERBOSE = 1 ]; then
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echo "scan_perpage: $1"
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fi
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}
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logstdout()
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{
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if [ $VERBOSE = 1 ]; then
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cat
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else
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cat > /dev/null
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fi
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}
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if [ $# -lt 1 ]; then
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usage
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exit 1
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fi
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if [ "$DESKEW" == "" -o "$SEARCHABLE" == "" -o "$RESOLUTION" == "" -o "$RESOLUTION" == "" -o "$PGWIDTHIN" == "" -o "$PGHEIGHTIN" == "" ]; then
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usage
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exit 1
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fi
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IMAGE_FILE=$1
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process_page() {
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log ""
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log "-------------------------------------------------------------------------------"
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log "Post-processing scanned page ${IMAGE_FILE}, deskew=$DESKEW, searchable=$SEARCHABLE..."
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PP_PREFIX=
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if [ $DESKEW -eq 1 ]; then
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log "Applying unpaper post-processing to image data..."
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PP_PREFIX="unpaper-"
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#unpaper -v --no-mask-scan --overwrite --dpi $RESOLUTION --no-blackfilter $IMAGE_FILE $PP_PREFIX$IMAGE_FILE | logstdout
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if [ $VERBOSE = 1 ]; then
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UNPAPERVERBOSE="-v"
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fi
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unpaper $UNPAPERVERBOSE --overwrite --dpi $RESOLUTION $IMAGE_FILE $PP_PREFIX$IMAGE_FILE | logstdout
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fi
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log ""
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log "-------------------------------------------------------------------------------"
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log "Converting image data to pdf..."
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if [ $SEARCHABLE -eq 1 ]; then
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log "Converting image data to searchable pdf..."
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tesseract $PP_PREFIX$IMAGE_FILE ${IMAGE_FILE%.*} -l eng pdf | logstdout
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else
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log "Converting image data to pdf..."
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PNMVERBOSE=
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if [ $VERBOSE = 1 ]; then
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PNMVERBOSE="-verbose"
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fi
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pnmtops $PNMVERBOSE -imagewidth $PGWIDTHIN -imageheight $PGHEIGHTIN $PP_PREFIX$IMAGE_FILE | ps2pdf $PS2PDF_OPTS - > ${IMAGE_FILE%.*}.pdf | logstdout
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fi
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status=$?
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rm $IMAGE_FILE
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if [ -f $PP_PREFIX$IMAGE_FILE ]; then
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rm $PP_PREFIX$IMAGE_FILE
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fi
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log ""
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log "Scan processing done, status = $status"
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}
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if [ $VERBOSE = 1 ]; then
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(
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flock 200
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process_page
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) 200>$LOCKFILE
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else
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process_page
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fi;
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exit $status
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