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#!/usr/bin/env sh
text=$(< 1-input)
open=$(echo $text | tr -d ')' | wc -c)
close=$(echo $text | tr -d '(' | wc -c)
echo "Round 1:" $(($open - $close))
current=0
pos=1
while read -n1 char
do
case $char in
"(" )
current=$(($current + 1))
;;
")" )
current=$(($current - 1))
;;
esac
if [ $current -lt 0 ]
then
break;
fi
pos=$(($pos + 1))
done < <(printf "%s" $text | tr -d '\n')
echo "Round 2:" $pos
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