bot.sh

curl -d 'track=bot' http://stream.twitter.com/track.json -ubotcualquiera:botpass > tweets.json 2> /dev/null & tail -f tweets.json | while read tweet; do echo $tweet | grep -E -o '"screen_name":"[[:alnum:]]+"' | cut -d '"' -f 4 | while read screen_name; do echo "siguiendo a: $screen_name"; curl -d '' http://twitter.com/friendships/create/$screen_name.json?follow=true -ubotcualquiera:botpass; done ; done