del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))
del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))