Raspberry Pi - Raspi Stream

#!/bin/bash
 
if [ ! -d /tmp/stream ]
then
   mkdir /tmp/stream/
fi
 
if pgrep raspistill > /dev/null
then
   echo "raspistill already running"
else
   echo "raspistill not running"
fi
 
if pgrep mjpg_streamer > /dev/null
then
   echo "mjpg_streamer already running"
else 
   echo "mjpg_streamer not running"
fi

#!/bin/bash
 
if pgrep raspistill
then
   kill $(pgrep raspistill) > /dev/null 2>&1
   echo "raspistill stopped"
else
   echo "raspistill not running"
fi
 
if pgrep mjpg_streamer
then
   kill $(pgrep mjpg_streamer) > /dev/null 2>&1
   echo "mjpg_streamer stopped"
else
   echo "mjpg_streamer not running"
fi