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root@dm800:/# grep begin /etc/enigma2/timers.xml |sed 's/.*begin="//' | sed 's/" .*//' 
1312707660

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root@dm800:/# sh -x ./usr/script/scan-timers.sh
+
: not foundt/scan-timers.sh: line 1:
+ date +%s
+ NOW=1312704404
+ TIMER=/etc/enigma2/timers.xml
+ LOG=/tmp/scan-timers.log
+
: not foundt/scan-timers.sh: line 1:
: ./usr/script/scan-timers.sh called.
+
: not foundt/scan-timers.sh: line 1:
+ THRESHOLD=600
+
: not foundt/scan-timers.sh: line 1:
+ SCRIPT=/usr/script/WakeLAN_userscript.sh
+
: not foundt/scan-timers.sh: line 1:
+ grep begin /etc/enigma2/timers.xml
+ sed s/.*begin="//
: No such file or directoryml
+ sed s/" .*//
+ TIMERBEGINS=
+
: not foundt/scan-timers.sh: line 1:
./usr/script/scan-timers.sh: line 21: syntax error: unexpected word (expecting "do")

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#!/bin/sh
#
# Scannt die aktuelle timers.xml und fuehrt eine Aktion aus
# wenn demnaechst ein Timer aktiv wird.
# (c) boardschauer 2009-11-16 publiziert auf www.i-have-a-dreambox.com

NOW=`date +%s`
TIMER=/etc/enigma2/timers.xml
LOG=/tmp/scan-timers.log

echo "$NOW: $0 called." >> $LOG

# Anzahl Sekunden vor dem Timer-Event
THRESHOLD=600

SCRIPT=/usr/script/WakeLAN_userscript.sh

TIMERBEGINS=`grep begin $TIMER |sed 's/.*begin="//' | sed 's/" .*//'`

for START in $TIMERBEGINS
do
	echo -n "Timer: $START, "
	DIFF=$(($START-$NOW))
	echo "Diff to now: $DIFF"
	if [ $DIFF -gt 0 ]
		then
			echo "  Event in future"
	if [ $DIFF -le $THRESHOLD ]
		then
			echo "  Event is coming soon. Activating script."
			echo "Calling script $SCRIPT" >> $LOG
			$SCRIPT
		fi
	else
		echo "  Event in past"
	fi
done