How can I get performance statistic about Squid from command line environment?

squidclient is a tool that can access the squid service, and retrieve statistics on the service. For example, to get some general performance statistic, run the following command on the squid server:

squidclient -p <squid-port> mgr:info

Output example:

HTTP/1.0 200 OK
Server: squid/2.6.STABLE6
Date: Mon, 25 Feb 2008 ...