Thanks for your explanation! IMHO, that means <$sock> is merely used in chat script or ascii file transfer. Is it right? If so, thank God, I can still enjoy this weekend. ;)
BTW:
I really appreciate your kindness if you can correct my English mistake. I'm thirsty for communicate with perl gurus fluently. ;)
I am trying to improve my English skills, if you see a mistake please feel free to reply or /msg me a correction