static List <List <string> > FindDuplicateFilesInHashedFilesList(IEnumerable <HashedFilesList.HashedFilePathPair> list)
{
using (var hashesList = new SimpleDiskStoredStringList())
{
using (var duplicateHashesList = new SimpleDiskStoredStringList())
{
foreach (var pair in list)
{
if (hashesList.Contains(pair.Hash))
{
if (!duplicateHashesList.Contains(pair.Hash))
{
duplicateHashesList.Add(pair.Hash);
}
}
else
{
hashesList.Add(pair.Hash);
}
}
var duplicateFilesLists = new List <List <string> >();
foreach (var duplicateHash in duplicateHashesList)
{
var duplicatePaths = new List <string>();
duplicatePaths.AddRange(list.Where((pair) => pair.Hash == duplicateHash).Select(pair => pair.FullPath));
duplicateFilesLists.Add(duplicatePaths);
}
return(duplicateFilesLists);
}
}
}