public static List <List <string> > Scan(string directoryPath)
{
using (var list = new HashedFilesList())
{
var task = Task.Run(async() => { await RecursiveSearchLogic.RecursiveSearchAsync((path) => list.AddHashedFilePath(path, HashesCalculator.CalculateMD5(path)), new List <string>(), false, directoryPath); });
task.Wait();
return(FindDuplicateFilesInHashedFilesList(list));
}
}
public async static Task <Dictionary <string, List <string> > > ScanWithHashesAsync(string directoryPath)
{
var list = new List <HashedFileInfo>();
await RecursiveSearchLogic.RecursiveSearchAsync((path) => list.Add(new HashedFileInfo {
Path = path, Hash = HashesCalculator.CalculateMD5(path), Size = (new System.IO.FileInfo(path)).Length
}), new List <string>(), false, directoryPath);
var hashedFilesGroups = list.GroupBy(hashFileInfo => hashFileInfo.Size).Where(group => group.Count() > 1).SelectMany(group => group.ToList()).GroupBy(hashedElement => hashedElement.Hash).Where(group => group.Count() > 1);
var result = new Dictionary <string, List <string> >();
foreach (var group in hashedFilesGroups)
{
result[group.Key] = group.Select(element => element.Path).ToList();
}
return(result);
}
