private static void Main(string[] args)
{
const string CONFIGFILE = "appsettings.json";
IConfigurationBuilder configBuilder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile(CONFIGFILE);
IConfigurationRoot config = configBuilder.Build();
Application appConfig = config.GetSection("application").Get <Application>();
isSimulation = appConfig.SimulationMode;
if (isSimulation)
{
Console.WriteLine("Simulation mode is ENABLED; nothing will be deleted.");
}
var stopwatch = new Stopwatch();
stopwatch.Start();
Parallel.ForEach(appConfig.DirectoryConfig, dirConfig =>
{
var logger = new StringBuilder();
var fileCount = 0;
var dirCount = 0;
var configStopwatch = new Stopwatch();
configStopwatch.Start();
logger.AppendLine($"Reading config for {dirConfig.ConfigName}");
// Process each directory in config
ProcessDirResult counter = ProcessDir(dirConfig, logger);
fileCount += counter.RemovedFilesCount;
dirCount += counter.RemovedDirsCount;
configStopwatch.Stop();
// Report totals
logger.AppendLine($"Completed processing {dirConfig.ConfigName}:");
logger.AppendLine($"{fileCount.ToString()} files removed");
logger.AppendLine($"{dirCount.ToString()} directories removed");
logger.AppendLine($"Took {configStopwatch.Elapsed.Seconds.ToString()} seconds");
Console.WriteLine(logger.ToString());
});
stopwatch.Stop();
Console.WriteLine("Completed processing - total deletions:");
Console.WriteLine(" {0} files removed ", totalFilesCount);
Console.WriteLine(" {0} directories removed", totalDirsCount);
Console.WriteLine(" Took {0} seconds", stopwatch.Elapsed.Seconds.ToString());
if (isSimulation)
{
Console.WriteLine("(Simulation mode was ENABLED; nothing was deleted really.)");
}
}
private static ProcessDirResult ProcessDir(string dirPath, string mask, int daysToKeep, bool doSubDirs, bool removeEmptyDirs, StringBuilder logger)
{
var delFilesCount = 0;
var delDirsCount = 0;
DateTime nowDate = DateTime.Now;
var di = new DirectoryInfo(dirPath);
Parallel.ForEach(di.GetDirectories(), dir =>
{
ProcessDirResult result = ProcessDir(dir.FullName, mask, daysToKeep, doSubDirs, removeEmptyDirs, logger);
Interlocked.Add(ref delFilesCount, result.RemovedFilesCount);
Interlocked.Add(ref delDirsCount, result.RemovedDirsCount);
//Don't leave behind empty dirs if configured to remove them
if (Directory.GetFileSystemEntries(dir.FullName).Length == 0 && removeEmptyDirs)
{
if (!isSimulation)
{
Directory.Delete(dir.FullName);
}
logger.AppendLine($"Deleting directory {dir.FullName}");
Interlocked.Increment(ref delDirsCount);
Interlocked.Increment(ref totalDirsCount);
}
});
foreach (FileInfo file in di.EnumerateFiles(mask, SearchOption.AllDirectories))
{
if (file.LastWriteTime.Date < nowDate.Date)
{
try
{
if (!isSimulation)
{
file.Delete();
}
logger.AppendLine($"Deleting {file.FullName}");
Interlocked.Increment(ref delFilesCount);
Interlocked.Increment(ref totalFilesCount);
}
catch (IOException ex)
{
logger.AppendLine($"IOException: {ex}");
}
catch (Exception ex)
{
logger.AppendLine($"Unhandled Exception: {ex}");
}
}
}
return(new ProcessDirResult {
RemovedFilesCount = delFilesCount, RemovedDirsCount = delDirsCount
});
}
private static ProcessDirResult ProcessDir(DirectoryConfig dirConf, StringBuilder logger)
{
ProcessDirResult result = ProcessDir(dirConf.Path,
dirConf.Mask,
dirConf.DaysToKeep,
dirConf.IncludeSubDirs,
dirConf.RemoveEmptyDirs,
logger);
return(result);
}