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while :; do
(
for i in $( cut -d" " -f1 pingswitches.txt ); do
ADMINADDR=$( echo $i | perl -pi -le '@x = split /\./; $x[3] += 2; $_ = join(".", @x);' )
( (
if ping -c2 -W3 -q $ADMINADDR >/dev/null; then
grep $i pingswitches.txt | sed 's/^/PONGER: /'
else
grep $i pingswitches.txt | sed 's/^/PONGER IKKE: /'
fi
) & )
done
) > pong.new
while pidof ping > /dev/null; do sleep 1; done
mv pong.new pong
echo "sleeping"
sleep 10
done
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