public ConcurrentDictionary <string, List <string> > GroupAllFilesInDirectoryWithAnyDuplicates(string rootDirectory, out StringBuilder errorsToReturn)
{
Stack <string> directoriesToBeProcessed = InitialiseCollectionOfDirectoriesToBeProcessed(rootDirectory);
while (directoriesToBeProcessed.Count > 0)
{
string currentDir = directoriesToBeProcessed.Pop();
AddSubDirectoriesToListOfDirectoriesToBeProcessed(currentDir, directoriesToBeProcessed);
string[] filePaths = _iOHelper.GetFilesInDirectory(currentDir);
for (var index = 0; index < filePaths.Length; index++)
{
try
{
AddFileToGroupedCollection(filePaths[index]);
}
catch (Exception ex)
{
ErrorsProcessingFiles.AppendLine($"Error occured processing file {filePaths[index]}: {ex.Message}");
}
}
}
errorsToReturn = ErrorsProcessingFiles ?? null;
return(filesGroupedWithDuplicates);
}