public static void Execute(ProgramExecutionOptions options) { if (ProgramUtil.ShowHelpIfNeeded(options)) { return; } if (CommandLineUtil.ValidateArguments(options.ParsedArguments, Validations)) { var path = options.ParsedArguments[0].Value; HashDir dir; HashFile file; if (FileSystem.DirExists(path, out dir)) { FileSystem.ChangeDir(dir); } else if (FileSystem.FileExistsAndIsAvailable(path, out file)) { var msg = string.Format("The path '{0}' points to a file. Use 'open {0}' to open this file.", path); msg = TextUtil.Warning(msg); TerminalUtil.ShowText(msg); } else { var msg = string.Format("The path '{0}' points nowhere. Please supply a valid path.", path); msg = TextUtil.Error(msg); TerminalUtil.ShowText(msg); } } else { string msg = null; var result = PathValidation.ValidationResult; if (MathUtil.ContainsFlag((int)result, (int)ArgValidationResult.EmptyValue)) { msg = "Please supply a path."; } else if (MathUtil.ContainsFlag((int)result, (int)ArgValidationResult.NotFound)) { msg = "Please supply a path."; } msg = TextUtil.Error(msg); TerminalUtil.ShowText(msg); } }