class Integer

col_name() click to toggle source

Returns the column name corresponding to the given number. e.g: 1.col_name => 'B' @return [String]

# File lib/oxcelix.rb, line 39
def col_name
  val=self/26
  (val > 0 ? (val - 1).col_name : "") + (self % 26 + 65).chr
end