# Example `testinputfields.lua`

    require 'pl'

    local sum = 0.0

    local count = 0

    local text = [[

        981124001	2.0	18988.4	10047.1	4149.7

        981125001	0.8	19104.0	9970.4	5088.7

        981127003	0.5	19012.5	9946.9	3831.2

    ]]

    for id,magn,x in input.fields(3,' ',text) do

      sum = sum + x

      count = count + 1

    end

    print('average x coord is ',sum/count)

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