cd $HOME/gpxtracks; gpsbabel -i gpx `ls {SE-FAEHRE,TRE,CY,IT,AL,HR,BA,ME,KS,MK,RS,SI,SM,AT,CH,LI,BG,GR,MT,VA}.gpx 2> /dev/null|awk '{print " -f "$1}'` -x simplify,error=.33k -o gpx -F - | egrep -v -e '<time>.*</time>|<desc>.*</desc>' > $HOME/gpxtracks/Suedeuropa.gpx