how do i set up perl on my mac?

I have osx snowleopard and I know perl is suppose to come installed but when i type perl-v 开发者_如何学JAVAinto terminal i get command not found. pleas help

 Last login: Mon Mar 14 22:56:37 on ttys000
 arroyos-macbook-pro:~ arroyo$ perl-v
 -bash: perl-v: command not found
 arroyos-macbook-pro:~ arroyo$ 

do you have a space between perl and -v? if you dont, you need a space:

perl -v