Seems there is a brand new feature to Rift Minion, and people are getting pretty excited about it. Rift Minion now offers a full fledged Fishbot, which can be used with different poles and even different Lures. Everything in fishing is now automated and easy to do.
Now, I haven’t had the opportunity to test it out yet, but it seems to be a worthwhile investment if you don’t have the bot, considering the enormous amounts of Plat which can be earned this way.
Anyways, if you want to check out the all new fishbot, you can do so here - Rift Minion Fish Bot
EDIT: Rift Minion is down. If you need a Rift Fishing Bot, you can use this Fishbot, which works well since the December 2012 Patch broke all other fishing scripts.
As always, take precautions about being detected, like don’t tell your friends, don’t do it around populated areas, etc.
Good Luck, and Happy Fishing!