Dir::foreach('.') {|f|
#  refile = f.sub("lat1.4","lat0")
#  refile = f.sub("-vect","").sub("-2hour","")
#  refile = f.sub("lat0","y0")
  refile = f.sub("_DT","_control_DT")
  p "#{f} ---to--- #{refile}"
  `mv #{f} #{refile}`
}