#!/bin/bash
##
#

# start roscore
flag = `ps -ef | grep roscore | grep -v grep | wc -l awk '{printf("%d", $1)}'`
if [ $flag == 0 ]; then
  roscore >& /dev/null &
fi

# start usb_cam
source devel/setup.bash
roslaunch usb_cam usb_cam-left.launch