public Dictionary <string, string> DiffB(DataChunk b, DataChunk a, DictCompareOnKeyOnly keyOnly, Options options)
{ //Here comes the magic simple Except and Intersect and force it back to Dictionary.
var setDiffSw = Stopwatch.StartNew();
var diffB = b.LineDictionary.Except(a.LineDictionary, keyOnly).ToDictionary(ld => ld.Key, ld => ld.Value);
if (options.Verbose)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("File {0} ({4}) has {1} keys. {2} of them do not exist in file {3} ({5})", Path.GetFileName(b.DataPath), b.LineDictionary.Count(), diffB.Count(), Path.GetFileName(a.DataPath), b.Name, a.Name);
Console.WriteLine("Time after creating set operator {0} ms", setDiffSw.ElapsedMilliseconds);
}
setDiffSw.Stop();
return(diffB);
}
/// <summary>
/// Takes two parameters file A and File B. Set A is contained in B also.
/// A is file n and B is file n+1
/// </summary>
/// <param name="args">-a fileA -b fileB -v optional verbose</param>
public static void Main(string[] args)
{
var options = new Options();
if (Parser.Default.ParseArguments(args, options))
{
var programStopwatch = Stopwatch.StartNew();
var chunkList = new List <DataChunk>
{
new DataChunk(dataPath: options.FileA, name: "A", option: options),
new DataChunk(dataPath: options.FileB, name: "B", option: options)
};
//Multithread the reading of files and making dictionary of all lines in file
Parallel.ForEach(chunkList, dl => dl.GetDataContent(new FileLineReader(dl.DataPath)));
//Give the sets nicer names
var a = chunkList.First(f => f.Name == "A");
var b = chunkList.First(f => f.Name == "B");
//We need Compare to use set logic on keys only not Key and Value which is the default - odd that is the default and we have to override it.
var keyOnly = new DictCompareOnKeyOnly();
var setOp = new SetOperator();
//Here we save the output as text files and do magic in the DiffDB function
var outPutList = new List <OutputObj>
{
new OutputObj(name: "DiffB", dict: setOp.DiffB(b, a, keyOnly, options), opt: options),
};
//Multithread the output of files
Parallel.ForEach(outPutList, oL => oL.Output());
programStopwatch.Stop();
if (options.Verbose)
{
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("Done ! hit any key to exit program. ExecutionTime was {0} ms",
programStopwatch.Elapsed.Milliseconds);
Console.ReadLine();
}
}
}
