#! /usr/bin/python
# coding: utf8

import sys
import rospy
import csv

from std_msgs.msg import Float64

if __name__ == '__main__':
    rospy.init_node('publish_csv', anonymous=True)
    pub = rospy.Publisher('output', Float64, queue_size=1)
    file = sys.argv[1]
    with open(file) as csvfile:
        reader = csv.reader(csvfile)
        r = rospy.Rate(20)
        for row in reader:
            pub.publish(float(row[1]))
            r.sleep()