22 lines
533 B
C#
22 lines
533 B
C#
using System.IO;
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using System.Linq;
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namespace CSV_data_manipulation
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{
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class Program
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{
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static void Main()
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{
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var input = File.ReadAllLines("test_in.csv");
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var output = input.Select((line, i) =>
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{
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if (i == 0)
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return line + ",SUM";
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var sum = line.Split(',').Select(int.Parse).Sum();
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return line + "," + sum;
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}).ToArray();
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File.WriteAllLines("test_out.csv", output);
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}
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}
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}
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