It's a nice script, however since you're parsing the actual pages this consumes quite a bit of bandwidth. Lately, I've begun to block IPs which I notice are using more bw than normal -- as it's usually an indication of a script such as this being used.
Since it's an IRC script (so you're obviously already on IRC when using it), might I suggest an alternate method that messages the bot directly? It'll be much quicker, direct, and will consume a lot less bw (and won't be prone to being IP-blocked).
Many of the commands for GoogleBot and BinaryBot can be done via msg and with full or abbreviations for the channel names. A couple examples being: