robinhood_plot.py

t time

fig = plt.figure()
ax1 = fig.add_subplot(1, 1, 1)
ax1.axis([0,100,130,150])

def animate(i):
	getData = open("data.txt", "r").read()
	arr = getData.split('\n')
	xar = []
	yar = []
	for line in arr:
		if len(line) > 1:
			x,y = line.split(',')
			xar.append(float(x))
			yar.append(float(y))
	ax1.clear()
	if (len(xar) < 100):
		ax1.axis([0, 100, min(yar) - .1, max(yar) + .1])
	else:
		ax1.axis([0,xar[-1],min(yar) - .1,max(yar) + .1])
	ax1.plot(xar, yar)

ani = animation.FuncAnimation(fig, animate, interval=1000)
plt.show()

### shell script
function AAPL { curl -s "https://api.robinhood.com/quotes/AAPL/" };

i=0;

AAPL

while true;
	do
		a=($i,$(python robinhood.py $(AAPL) last_trade_price))
	   	echo $a	>> data.txt
		i=$((i+1));
	done