A basic file-specific parser used to parse baby names. Used for my latest game "Our Consequences".

NameListParser.cs

using System.Diagnostics;
using System.Net;
using Microsoft.VisualBasic.FileIO;
using Newtonsoft.Json;

static void Main() {
    Stopwatch sw = new Stopwatch();
    sw.Start();
    
    var url = "https://raw.githubusercontent.com/hadley/data-baby-names/master/baby-names.csv";
    var outPath = "/Users/cruxial/Documents/School/GL3/OurConsequences/Assets/Resources/Names.json";
    
    using var client = new WebClient();
    var data = client.DownloadString(url);
    
    StringReader sr = new StringReader(data);
    List<NameData> nameData = new List<NameData>();
    
    using (TextFieldParser parser = new TextFieldParser(sr))
    {
        parser.TextFieldType = FieldType.Delimited;
        parser.SetDelimiters(",");
        while (!parser.EndOfData)
        {
            //Process row
            string[] fields = parser.ReadFields();
            var currName = "";
            for (int i = 0; i < fields.Length; i++) {
                if (i % 2 == 0 && i % 4 != 0) {
                    if (fields[i].Contains('e')) i++;
                    continue;
                }
                else {
                    if (int.TryParse(fields[i], out int e)) {
                        if (e < 1920) {
                            i += 4;
                            continue;
                        }
                    }
                }
                
                if(i % 4 == 0) continue;

                if (fields[i] == "boy" || fields[i] == "girl") {
                    nameData.Add(new NameData(currName, fields[i] == "boy" ? Gender.Male : Gender.Female));
                    continue;
                }

                currName = fields[i];
            }
        }

        nameData = nameData.DistinctBy(x => x.Name).ToList();
        var json = JsonConvert.SerializeObject(nameData, Formatting.Indented);
        File.WriteAllText(outPath, json);
    }

    
    Console.WriteLine($"Time elapsed: {sw.ElapsedMilliseconds}ms.\n" +
                      $"Processed {nameData.Count} names (male: {nameData.Count(x => x.Gender == Gender.Male)}, female: {nameData.Count(x => x.Gender == Gender.Female)})");
    sw.Stop();
}

Main();

public class NameData
{
    public string Name;
    public Gender Gender;

    public NameData(string name, Gender gender) {
        this.Name = name;
        this.Gender = gender;
    }
}
public enum Gender
{
    None,
    Male,
    Female
}