if [ $# -eq 0 ]; then
   echo "Hsyntax - getlog 300"
   echo "          300 is in seconds, default 30s"
   echo "          Zou Hu, 2015.1.14"
fi
while((0<1))
do
ls -ltr [d,f]*.fits > tmp1.log 
gethead [d,f]*.fits DATE-OBS TIME-OBS EXPTIME OBJECT FILTER EXPTIME | grep '.fits' | cut -c 7- | sort -k 1 >tmp2.log
paste tmp1.log tmp2.log | gawk '{print $9,$8,$14,$15,$16}' | sed 's/9999999999999/9/' - | sed 's/000000000001//' -
rm tmp1.log tmp2.log

if [ $# -eq 0 ]; then
   sleep 30
else 
   sleep $1
fi
done