import sys, glob
from scipy import *

plotfile = 'plot.png'

if len(sys.argv) > 2:
	plotfile = sys.argv[2]
if len(sys.argv) > 1:
	datafile = sys.argv[1]
else:
	print "No data file name given. Please enter"
	datafile = raw_input("-> ")
if len(sys.argv) <= 2:
	print "No output file specified using default (plot.png)"
if len(glob.glob(datafile))==0:
	print "Data file %s not found. Exiting" % datafile
	sys.exit()

data=io.array_import.read_array(datafile)

gplt.plot(data[:,0],data[:,1],'title "Weight vs. time" with points')
gplt.xtitle('Time [h]')
gplt.ytitle('Hydrogen release [wt. %]')
gplt.grid("off")
gplt.output(plotfile,'png medium transparent picsize 600 400')  

