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RANDOM=42
(( dice[RANDOM%6+1 + RANDOM%6+1]++ ))
echo ${dice[5]}
(( ++dice[RANDOM%6+1 + RANDOM%6+1] ))
echo ${dice[6]}
v=4
DIND=20
(( dice[DIND%6 + 1]=v ))
echo ${dice[3]}
RANDOM=42
(( dice[RANDOM%6+1 + RANDOM%6+1]+=v ))
echo ${dice[5]}
(( dice[RANDOM%6+1 + RANDOM%6+1]-=v ))
echo ${dice[6]}
(( dice[RANDOM%6+1 + RANDOM%6+1]+=2 ))
echo ${dice[11]}
(( dice[RANDOM%6+1 + RANDOM%6+1]*=2 ))
echo ${dice[11]}
unset dice1 dice2
RANDOM=42
for i in {1..5000}; do ((dice1[$RANDOM%6+1 + $RANDOM%6+1]++)); done;
unset t; for i in ${dice1[@]}; do ((t+=i)); done; echo $t
foo="${dice1[@]}"
RANDOM=42
for i in {1..5000}; do ((dice2[RANDOM%6+1 + RANDOM%6+1]++)); done;
unset t; for i in ${dice2[@]}; do ((t+=i)); done; echo $t
bar="${dice2[@]}"
if [ "$foo" != "$bar" ]; then
echo "random sequences differ"
fi
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