How stop an infinite loop

Course Support Python Basics For Robotics
1

When I write a code in python which produces an infinite loop ¿How can I stopt it?
Until now I save the program and close the constructor…

2

you can exit a loop if a condition is met like this:

while True:
    if condition == True:
    break

chk = True
1. while chk == True:    
     ...
     if condition == True:   
         chk = False

while True:
    try:
        ...
    except:
        break

otherwise you can always press ctrl+c in the terminal, sometimes ctrl+d or ctrl+z also work

for ROS, this is a very solid solution:

ctrl_c = False

def shutdownhook():
    # works better than the rospy.is_shut_down()
    global ctrl_c
    print "shutdown time!"
    ctrl_c = True

rospy.on_shutdown(shutdownhook)

while not ctrl_c:
    "do stuff"
1 Like
3

Hello Simon.
Thanks for your answer but there is a missunderstood.
What I mean is how to stop the program once it is running and I forgot to add the “break” in the “while”

4

sometimes you have to spam it (holding down ctrl and then c)

1 Like
5

Thanks Simon for your time

1 Like