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      1 -- Aggregate the output from ngrams.lua.
      2 
      3 -- Get the data from all shards.
      4 counts = {}
      5 dofile("/tmp/lua-output")
      6 
      7 -- Put the data into a sortable "array".
      8 countArray = {}
      9 for ngram, count in pairs(counts) do
     10   table.insert(countArray, {count, ngram})
     11 end
     12 
     13 -- Sort the data.
     14 function compare(a, b)
     15   return a[1] > b[1]
     16 end
     17 table.sort(countArray, compare)
     18 
     19 -- Write the result.
     20 for i, countPair in ipairs(countArray) do
     21   io.write(countPair[1], "\t", countPair[2], "\n")
     22 end
     23