private static bool CheckLogDirectoryExists(CommandLineOptions options)
{
if (options == null)
throw new ArgumentNullException("options");
if (!Directory.Exists(options.Directory))
{
Console.WriteLine(
"The specified log directory '{0}' doesn't exist!", options.Directory);
return true;
}
return false;
}
public static void Main(string[] args)
{
var options = new CommandLineOptions();
if (!CommandLineParser.Default.ParseArguments(args, options))
{
Console.WriteLine(options.Usage);
Console.ReadLine();
return;
}
if (CheckLogDirectoryExists(options))
return;
var logFiles =
new Func<CommandLineOptions, IEnumerable<string>>(CheckLogDirectoryFilesExist);
var isAnyLogFileCleared = false;
foreach (var logFileName in logFiles.Invoke(options))
{
try
{
var logLines = File.ReadAllLines(logFileName).ToList();
if (logLines.Count <= 0)
{
continue;
}
if (options.Verbose)
{
Console.WriteLine(
"Clearing log file '{0}' ({1} lines of text).", logFileName, logLines.Count);
}
File.WriteAllLines(logFileName, Enumerable.Empty<string>().ToArray());
isAnyLogFileCleared = true;
}
catch (UnauthorizedAccessException e)
{
Console.WriteLine(e.Message);
return;
}
catch (IOException e)
{
Console.WriteLine(e.Message);
return;
}
}
Console.WriteLine(
isAnyLogFileCleared
? string.Format("Success! Cleared all log files at {0} successfully.", options.Directory)
: string.Format("All clear! There wasn't any log files with log lines at {0} to clear.", options.Directory));
if (!options.IsInteractive)
{
return;
}
Console.WriteLine("Press [Enter] to continue.");
Console.ReadLine();
}
private static IEnumerable<string> CheckLogDirectoryFilesExist(CommandLineOptions options)
{
if (options == null)
throw new ArgumentNullException("options");
var logFiles =
Directory.GetFiles(options.Directory, "*.*", SearchOption.TopDirectoryOnly);
if (!logFiles.Any())
{
Console.WriteLine(
"The specified log directory '{0}' didn't contain any log files.", options.Directory);
return Enumerable.Empty<string>();
}
return logFiles;
}