#!/usr/bin/env bash

# Give file as option 1

file="$1"
increasing=0

readarray -t "arr" < "$file"

length="${#arr[@]}"

for i in $(seq 3 "$length"); do
	curr="${arr[$i]}"
	prev3="${arr[$((i - 3))]}"

	if [ -n "$curr" ] && [ "$curr" -gt "$prev3" ]; then
		increasing="$((increasing + 1))"
	fi
done

echo "$increasing were increasing"