rec_pir_sensor.py

import RPi.GPIO as GPIO
import time
import subprocess

GPIO.setmode(GPIO.BCM)

#PIR
GPIO.setup(17, GPIO.IN)
try:
    time.sleep(2) # to stabilize sensor
    while True:
        if GPIO.input(17):
         print("Motion Detected...")
         rc = subprocess.call("/sh/rec-stream.sh")
##         time.sleep(5)
         print(" ...")
#        time.sleep(0.1)
        time.sleep(0.5)
except:
    GPIO.cleanup()