tailf+awk: Add timestamp

README

Shell 1
=======

	# ./logger.sh

Shell 2
=======

	# tailf log | awk -f add_timestamp.awk

add_timestamp.awk

{
	print strftime("%F-%T"),$0;
}

logger.sh

#!/bin/bash
while :; do
	echo "${RANDOM}" | tee -a ./log
	sleep 0.8
done