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  1. or download this
    abc def data 123
ghi jkl "data with spaces" 456
  2. or download this
    abc-def-data1
ghi-jkl-data with spaces
  3. or download this
    print "$1-$2-".($4 || $3)
      if /(\w+)\s(\w+)\s("([^"]+)"|(\w+))/;