tag=_AMSR2ICECOMBMOS_
tag=_SENTINEL1MOSANTARCTICA_
for f in `ls -r 2017*$tag*.imz `

#for f in `ls -r 2017*_DTU_SENTINEL1MOS_*.imz  `
do
d=${f:0:8}
n=0
#for g in `ls -r "$d"*SENTINEL1MOS_* `
for g in `ls -r "$d"*$tag* `

do
if [ "$n" = 0 ]
then
echo keep $g
else
rm -fv  $g
  echo delete $g
fi
let "n=n + 1"
#exit
done

done