HOST=localhost
PORT=8007


function test_camera(){
    # get image from a simple camera
    wget -O - http://$HOST:$PORT/acquire/camera
    # write it to disk in file "a_file.png"
    wget -O - http://$HOST:$PORT/write/a_file/png
    # dump it to console
    wget -O - http://$HOST:$PORT/dump
}