Solution for Linear Search with Scott

linear_search.rb

#linear search

def linear_search(object, array)
  index = 0
  mismatch = 0
  
  while index < array.length
    if object != array[index]
      mismatch += 1
    end
    if mismatch == array.length
      return nil
    end
    if object == array[index]
      index
      break
    end
    index += 1
  end
  index
end

#global search

def linear_search(object, array)
  index = 0
  mismatch = 0
  matched_elements = []
  
  while index < array.length
    if object != array[index]
      mismatch += 1
    end
    if mismatch == array.length
      return nil
    end
    if object == array[index]
      matched_elements << index
    end
    index += 1
  end
  matched_elements
end