get a frame every 5 minutes from a mjpeg stream

gistfile1.txt

#/bin/sh

# this assumes you want to take an image every 5 minutes for 12 hours.
# ( 60 minutes / hour / 5 minutes * 12 hours = 144 images )

#
# get singleframe.py from here:
#    https://gist.github.com/thequbit/a139f64d5cde952771f5
#

#
# to run this file, put the contents into a file named getframes.sh and 
# then make it runable by typing the following:
#
#    > chmod +x getframes.sh
#
# then simply run the file by typing:
#
#    > ./getframes.sh
#
# the file will run until the end of the 12 hours.
#

# do the loop
for i in {0..144}
do

    # download 256K of the video file
    (ulimit -f 256; wget "http://67.247.80.36:45247/mjpg/video.mjpg")

    # pull single frame from video and save it as the frame number
    python singleframe.py video.mjpg frame-$i.jpg

    # cleanup
    rm video.mjpg
    
    # wait for 5 minutes ( 300 seconds )
    sleep 300

done