#!/usr/bin/env bash

# download/get files.html
# find (Events|Players|Openings updated): Month YYYY
# => store in last update
# => if one changed -> process

# in files.html
# div "Players"
# => table below
# => folder "players/"

# div "Openings"
# h2 "Modern Queen Pawn", "Classical Queen Pawn", "Modern King Pawn", "Classical King Pawn", "Flank and Unorthodox"
# => table below each h2
# => folder "openings/"

# div "Events"
# h2 "Tournaments", "Candidates and Interzonals", "World Championships"

function error() {
	if [ -t 1 ]; then echo "$1"; fi; exit 1;
}

# has to be YYYYMMDD
current_date="${1}";

if [ -z "${current_date}" ] || ! [[ "${current_date}" =~ ^[0-9]{8}$ ]]; then
	error "Current date must be set and in the format YYYYMMDD";
fi;


# __END__