aoc-2022/03/meow.sh

24 lines
506 B
Bash
Executable File

#!/bin/bash
a=('' a b c d e f g h i j k l m n o p q r s t u v w x y z)
a+=(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z)
declare -A meow
for (( i=1; i<${#a[@]}; i++ )); do
meow[${a[$i]}]=$i
done
sum=0
while read line; do
len=$(echo -n "$line" | wc -c)
c1=$(cut -c 1-$((len/2)) <<< "$line")
c2=($(cut -c $((len/2+1))-$len <<< "$line" | sed -E 's/./& /g'))
c3=""
for i in ${c2[@]}; do
[[ "$c1" == *"$i"* && "$c3" != *"$i"* ]] && sum=$((sum+${meow[$i]}))
c3="$c3$i"
done
done
echo $sum