#!/bin/bash

# TODO:
# Follow symlinks

# No filename specified?
if [ "$1" == "" ]; then
	echo "ERROR: Specify the file to read from.";
	exit 1
fi

# Does the file exist?
if [ ! -f $1 ]; then
	echo "ERROR: File not found";
	exit 1
fi

# Got ASCII?
if ! [[ "`file -b $1`" =~ ^ASCII\ text* ]]; then
	echo "ERROR: File is not ASCII text.";
	exit 1
fi

# Finally.. Let's get started.
CS=""
CSO=`date +%s`
# Second Counter
SC=0
tail -n0 -f $1 | while read line; do
# Get current timestamp
	CS=`date +%s`
# CS != CSO, show stats
	if [ "$CS" != "$CSO" ]; then
		LS=$((CS-CSO))
		echo "LOOPING! - Count: $SC - Last loop second was $LS seconds ago"
		SC=0
		CSO=$CS
	else
		SC=$(( SC + 1 ))
	fi
done