LAND=`basename $0 | sed 's/\.txt//'`
cd $HOME/gpxtracks; gpsbabel -i gpx `ls *europa.gpx|awk '{print " -f "$1}'` -x simplify,error=.65k -o gpx -F - | egrep -v -e '<time>.*</time>|<desc>.*</desc>' > $HOME/gpxtracks/$LAND.gpx