Three Outside Up automatic finding script

////////////////////////////////////////////////////////////
//  Copyright by HPotter v1.0 05/04/2014
//    This is a three candlestick bullish reversal pattern consisting of a bullish 
//    engulfing pattern formed by the first two candlesticks then followed by an up 
//    candlestick with a higher close than the prior candlestick.
////////////////////////////////////////////////////////////

study(title = "Three Outside Up", overlay = true)
barcolor(open[2] > close[2] ? close[1] > open[1] ? close[1] >= open[2] ? close[2] >= open[1] ? close[1] - open[1] > open[2] - close[2] ? close > open ? close > high[1] ? yellow : na : na : na:na : na : na : na)