static void Main(string[] args)
{
MusicalArtist[] MusicalArtists = new MusicalArtist[1000];
MusicalArtists MusicalArtistsObject = new MusicalArtists();
Int32 NumberOfListsArtistNeedsToBeOn = 0;
String LocationOfFiles = "";
// Process any external arugments passed into this application
// Argument 1 is the number of lists that a musical artists must be in to be included as a pairing in the output file
if (args.Count() >= 1)
{
NumberOfListsArtistNeedsToBeOn = Int32.Parse(args[0]);
}
else
{
// 200 seems to be a good number to set it at from my testing
// If this number is too high, the possibility of valid pairings will be absent from the output file
// If this number is too low, the possbility of invalid pairings will be present in the output fule
NumberOfListsArtistNeedsToBeOn = 200;
}
// Argument 2 allows one to set where the input and output files are located
if (args.Count() >= 2)
{
LocationOfFiles = args[1];
}
else
{
LocationOfFiles = @"C:\Temp\";
}
// All the reading of the file and setting up the data is done in this method
MusicalArtists = MusicalArtistsObject.GetMusicalArtistsFromFile(LocationOfFiles);
// All the writing to the output file is done in this method
MusicalArtistsObject.WriteMusicalArtistsPairsToFile(MusicalArtists, NumberOfListsArtistNeedsToBeOn, LocationOfFiles);
MusicalArtistsObject.HaltProgram(LocationOfFiles);
}
private MusicalArtist[] SetUpDataStructures(List <String> lstOfUniqueArtistsInFile, List <String> lstOfArtistsDumpInFile)
{
Int32 i = 0;
// Create the number of MusicalArists data structures needed based on the number of unique/distinct artists in the input file
MusicalArtist[] MusicalArtists = new MusicalArtist[lstOfUniqueArtistsInFile.Count];
// Populate the data structures. One data structure per unique artist read in the input file.
foreach (var artist in lstOfUniqueArtistsInFile)
{
MusicalArtist MusicalArtist = new MusicalArtist
{
Name = artist,
NumberOfListsItsIn = lstOfArtistsDumpInFile.Where(x => x.Equals(artist)).Count()
};
// Stash this one musical artist data structure in the array of musical artist data structures
MusicalArtists[i] = MusicalArtist;
i++;
}
return(MusicalArtists);
}
