Prüfen ob ein Prozess noch läuft

Prüfen ob ein Prozess noch läuft - Beispiel

Quelle:
http://www.heise.de/netze/X-Window-Desktop-fernsteuern-per-Shell-Skript-und-VNC--/artikel/108532/3

function vnc_connect()
{
echo "Starte VNC-Server ..."
${X11VNC_PATH} ${VNCPAR} & x11vncpid=$!
$XTERM -title "ct-Helferlein: Mit Strg-C beenden" \
-e tail -f ${X11VNC_DIR}/$LOGFILE & xdialogpid=$!
# solang wie beide Programm laufen ...
# sonst den Rest beenden
while ps $x11vncpid > /dev/null \&& ps $xdialogpid > /dev/null
do
sleep 5
done
if ps $x11vncpid > /dev/null ; then
kill $x11vncpid
else
kill $xdialogpid
fi
}

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