69 lines
1.9 KiB
Bash
69 lines
1.9 KiB
Bash
#!/bin/sh
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# daemon's name
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DAEMON=scanbd
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# securely create temporary file to avoid race condition attacks
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TMPFILE=`mktemp /tmp/$DAEMON.XXXXXX`
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# lock file
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LOCKFILE="/tmp/$DAEMON.lock"
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# device name
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DEVICE="$2"
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# destination of the final image file (modify to match your setup)
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DESTINATION="/home/manolis/Desktop/scanned_image.jpg"
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# remove temporary file on abort
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trap 'rm -f $TMPFILE' 0 1 15
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# function: create lock file with scanbuttond's PID
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mk_lock() {
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pidof $DAEMON > $LOCKFILE
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}
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# function: remove temporary and lock files
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clean_up () {
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test -e $LOCKFILE && rm -f $LOCKFILE
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rm -f $TMPFILE
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}
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# function: check if lock file exists and print an error message with zenity (if it's installed)
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chk_lock() {
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if [ -e $LOCKFILE ]; then
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if [ -x /usr/bin/zenity ]; then
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zenity --display :0.0 --title="Scanbuttond" --error
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--text="Another scanning operation is currently in progress."
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fi
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exit 1
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fi
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}
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# function: the actual scan command (modify to match your setup)
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scan() {
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scanimage --device-name "$DEVICE" --mode Color --resolution 300
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--depth 8 -x 215 -y 297 > $TMPFILE
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}
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case $1 in
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1)
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# button 1 (scan): scan the picture & save it as $DESTINATION
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chk_lock; mk_lock; scan; convert $TMPFILE -quality 85 -quiet $DESTINATION; clean_up
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;;
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2)
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# button 2 (copy): scan the picture, convert it to postscript and print it
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chk_lock; mk_lock; scan; convert $TMPFILE ps:- | lpr; clean_up
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;;
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3)
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# button 3 (mail): scan the picture, save it as $DESTINATION and send it as an e-mail
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# attachment with Evolution
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chk_lock; mk_lock; scan; convert $TMPFILE -quality 85 -quiet $DESTINATION
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evolution --display=:0.0 "mailto:?attach=$DESTINATION"; clean_up
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;;
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4)
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# button 4 (web): unconfigured
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echo "button 4 has been pressed on $2"
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;;
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esac
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