ex01.sh for ex02.sh

ex01(modified).sh

#!/usr/bin/sh
pipe=/tmp/out

#if [[ ! -p $pipe ]]; then
#    echo "Reader not running"
#    exit 1
#fi
while true
do
    ip=`hostname -i`
    date=`date +"%d/%b/%Y:%k:%M:%S %z"`
    r=$RANDOM;
    random=$(($r+10000000))
    time=$[RANDOM % 200 + 10]
    echo "[$ip [$date] \"$random\" time=${time}ms]" > $pipe
    sleep 0.01
done