Twitbrain_auto_evaluation.rb

require('rubygems')
gem('twitter4r', '0.3.1')
require('twitter')
require('twitter/console')

login = 'TWITTER_LOGIN'
password = 'TWITTER_PASWORD'
friend = 'twitbrain'
client = Twitter::Client.new(:login => login, :password => password)

j=0;vall="foo"
begin
    twitbrain_s = client.timeline_for(:user, :id => friend)[0].text
    substr = twitbrain_s[0...1].to_s
    if substr =~ /\A\d+\Z/
        if (0..9)===substr.to_i
            a = "+-plus-+";b = "+";c="*-times-*";d= "*";e="-+minus+-";f="-";
            my_string = twitbrain_s
            my_string.gsub!(a, b);my_string.gsub!(c, d);my_string.gsub!(e, f);
            vall = '@twitbrain ' + eval(my_string).to_s
            status = Twitter::Status.create(:client => client, :text => vall.to_s)
            puts vall
            vall=nil
            exit
       end
    end
    j=j+1;puts "\tTRY #"+j.to_s
    sleep 2
end while vall

############# @amrnt #############