Scans MultiAdmin files for Steam IDs and aggregates on a per-day and per-day/SteamID basis

MAServerStatistics.sh

#!/bin/bash

scpsl=.
regex='^\[([0-9]+:[0-9]+:[0-9]+)\] Accepted authentication token of user ([0-9]+) with global ban status ([0-9]) signed by ([A-Za-z0-9 ]+) server\.$'

for dir in $scpsl/servers/*
do
	if [ ! -d $dir ]
	then
		continue
	fi
	server=$(basename $dir)
	echo "Statistics for server $dir..."
	echo "date,amount,uniques" | tee $dir/../${server}_server_statistics.csv
	echo "date,id,amount" | tee $dir/../${server}_player_statistics.csv

	unset dates
	unset dates_total_players
	unset dates_unique_players
	declare -a dates
	declare -A dates_total_players
	declare -A dates_unique_players
	echo $dir

	first_date=$(ls $dir/logs | head -n 1 | cut -d_ -f1)
	echo "Generating statistics from date: $first_date"

	last_date=$(date +%Y-%m-%d)
	last_date=$(date +%Y-%m-%d -d "$last_date + 1 day")

	date=$first_date
	while [ "$date" != "$last_date" ]
	do
		files_per_date=$(ls -1 $dir/logs/${date}* | wc -l)
		echo "FILES FOR DATE $date: $files_per_date"
		
		dates+=($date)
		if [ -z ${dates_total_players[$date]} ]
		then
			dates_total_players[$date]=0
		fi
		if ! ls $dir/logs/${date}_*MA*.txt>/dev/null 2>&1
		then
			echo "No files found for pattern $dir/logs/${date}_*MA*.txt"
			date=$(date +%Y-%m-%d -d "$date + 1 day")
			continue
		fi
		echo "$date "
		unset dates_player_per_day
		declare -A dates_player_per_day
		for file in $dir/logs/${date}_*MA*.txt
		do
			echo -ne .
			while read line
			do
				if [[ $line =~ $regex ]]
				then
					steamid=/"${BASH_REMATCH[2]}"
					if [ -z ${dates_player_per_day[$steamid]} ]
					then
						dates_player_per_day[$steamid]=0
					fi
					(( dates_total_players[$date]++ ))
					(( dates_player_per_day[$steamid]++ ))
					echo -ne "#"
				fi
			done<$file
		done

		for id in ${!dates_player_per_day[@]}
		do
			echo ${date},${id},${dates_player_per_day[$id]-0} | tee -a $dir/../${server}_player_statistics.csv
		done
		dates_unique_players[$date]=${#dates_player_per_day[@]}

		echo -ne "\n"
		date=$(date +%Y-%m-%d -d "$date + 1 day")
	done
	for date in ${dates[@]}
	do
		echo ${date},${dates_total_players[$date]-0},${dates_unique_players[$date]-0} | tee -a $dir/../${server}_server_statistics.csv
	done
done