Method: Extract::SheetDefinition#left

Defined in:
lib/extract/sheet_definition.rb

#left(c) ⇒ Object 



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# File 'lib/extract/sheet_definition.rb', line 14

def left(c)
  col = c[0..0]
  row = c[1..-1]
  col = prev_letter(col)
  "#{col}#{row}"
end