perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = "en_SG:en",
	LC_ALL = (unset),
	LC_CTYPE = "UTF-8",
	LANG = "en_SG.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Hello World.