修复 Mac OS X 新版 Terminal 在 SSH 时候出现的 LANGUAGE WARNING

自从升级了新版的 Mac OS X 之后,使用 Terminal SSH 到别的机器上总是能看到这样的警告:

-bash: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory

在执行 perl 脚本的时候还能看到这样的警告:

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
    LANGUAGE = (unset),
    LC_ALL = (unset),
    LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: (更多…)