csv file management using c 2b 2b

1// csv.d
2
3void main() {
4
5    import std;
6
7
8    File[string] outputFiles;
9
10    auto inputFile = File("input.csv");
11
12    auto lines = inputFile.byLine;
13
14    lines.popFront; // skip header
15
16
17    foreach (line; lines) {
18
19        const name = line.splitter(',').front;
20
21        // open output file if not already open in append mode 
22
23        if (name !in outputFiles) { 
24
25            outputFiles[name] = File(name ~ ".csv", "a");
26        }
27
28        outputFiles[name].writeln(line);
29    }
30}