The path of the directory whose existence is to be determined
True if the specified path exists;
Determines whether a given directory exists
path can be either an absolute path (a
complete path from the root directory to the directory whose
existence is to be confirmed) or a relative path (starting from the
current directory to the path whose existence is to be confirmed).
path can be either a path on the local
system, the path of a mapped network drive, or a UNC path.
path cannot contain wildcard characters.