#!/bin/bash

file="./current.tag.txt"
date=$(date +%y.%m.%d)

if [ ! -e "$file" ]; then
	touch current.tag.txt
	tag=1
	curr_tag=$(date +%y.%m.%d).$tag
	echo $curr_tag > current.tag.txt	
else
	curr_tag=$(cat < current.tag.txt)
	curr_date=${curr_tag:0:8}
	tag=${curr_tag:9}
	if [ $curr_date == $date ]; then
		tag=$(($tag+1))
	else 
		tag=1
	fi
fi

format_tag=`printf "%03d" $tag`
echo $date.$tag > current.tag.txt
echo $date.$format_tag