HAM Radio Test Question Anki Importer

importer.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Pipes;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace FCC2Anki
{
    class Program
    {
        static void Main(string[] args)
        {
            var file = "2014-2018 Tech Pool.txt";
            var contents = File.ReadAllText(file);

            contents = contents.Replace("�", "'");

            var contentslines = new List<string>(contents.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
            string subelement = null;
            char section = 'A';
            for (var i = 0; i < contentslines.Count; i++)
            {
                contentslines[i] = contentslines[i].Trim();
                if (contentslines[i].IndexOf("SUBELEMENT") >= 0)
                {
                    subelement = contentslines[i].Substring(contentslines[i].IndexOf("SUBELEMENT") + 11, 2);
                    section = 'A';
                    contentslines.RemoveAt(i);
                    i--;
                }
                else if ((subelement != null) && contentslines[i].IndexOf(subelement + section + " ") == 0)
                {
                    contentslines.RemoveAt(i);
                    section++;
                }
            }

            contents = string.Join(Environment.NewLine, contentslines);
            var questions = contents.Split(new []{ "~~" }, StringSplitOptions.RemoveEmptyEntries);
            var output = "<?xml version=\"1.0\" standalone=\"yes\"?>" + Environment.NewLine + 
                         "<?xml-stylesheet type=\"text/xsl\" href=\"http://supermemo.com/archive/beta/tmp/xml/supermemo.xsl\"?>" + Environment.NewLine +
                         "<SuperMemoCollection>" + Environment.NewLine +
                         "<Count>" + questions.Length + "</Count>" + Environment.NewLine;

            var count = 0;
            foreach (var question in questions)
            {
                var lines = question.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
                var id = lines[0].Substring(0, lines[0].IndexOf(" "));
                var correctletter = lines[0].Substring(lines[0].IndexOf('(') + 1, 1);
                var reference = lines[0].Substring(lines[0].IndexOf(')') + 1);
                var questiontext = lines[1];
                var answers = new string[lines.Length - 2];
                Array.Copy(lines, 2, answers, 0, lines.Length - 2);
                var correctanswer = answers["ABCD".IndexOf(correctletter)];

                output += "<SuperMemoElement>" + Environment.NewLine +
                              "<ID>" + count + "</ID>" + Environment.NewLine +
                              "<Content>" + Environment.NewLine +
                                  "<Question>" + Environment.NewLine +
                                      id + " " + reference + Environment.NewLine +
                                      questiontext + Environment.NewLine +
                                      string.Join(Environment.NewLine, answers) +
                                  "</Question>" + Environment.NewLine +
                                  "<Answer>" + Environment.NewLine +
                                      correctanswer + Environment.NewLine + 
                                  "</Answer>" + Environment.NewLine +
                              "</Content>" + Environment.NewLine +
                          "</SuperMemoElement>" + Environment.NewLine;
                count++;
            }

            output += "</SuperMemoCollection>" + Environment.NewLine;

            File.WriteAllText(Path.GetFileName(file) + ".xml", output);
        }
    }
}

Dirty, but sufficient