aoc-2021/1_1.sh

#!/bin/bash
last=0
max=0
inc=0

while read line; do
	if [[ $line -gt $max ]]; then
		max=$line
		inc=$((inc+1))
	elif [[ $line -gt $last ]]; then
		inc=$((inc+1))
	fi
	last=$line
done

echo $((inc-1))