#!/bin/sh
# v 0.4
# script to remove the cache files added during the last run of ut2004
# add the following to run prior to any ut2004 game:
# ---  >% ---
# cache=~/.ut2004/Cache
# 
# cp $cache/cache.ini $cache/mark-`date +%F_%H.%M.%S`; touch $_
# 
# i=8
# [ `ls $cache/mark-* | wc -l` -ge ${i[0]} ] && ((j=`ls $cache/mark-* | nl | \
# tail -${i[0]} | head -1 | cut -f1`-1)) && rm -f `ls $cache/mark-* | head -$j`
# --- >% ---
# Note: all this is not whitespace safe!

ch=~/.ut2004/Cache
ctmp=/tmp/.$$.cache.ini

cd "$ch" || exit 1

i=(`ls -td * | nl | awk --assign ctmp=$ctmp '/mark-/ { print; system("cp "$2" "ctmp); exit }'`)

[ ${i[0]} -ge 0 -a -e $ctmp ] || { echo "No mark-... cache.ini backup found, exiting"; exit 1; }

#echo rm -f `ls -tr | tail -${i[0]}`
rm -f `ls -tr | tail -${i[0]}`

#echo mv $ctmp $ch/cache.ini; rm -f $ctmp 
mv $ctmp $ch/cache.ini

echo "Reverted to cachestate of ${i[1]##mark-}"