Advent of Code 2023 - Day 1 Part 2 - Cleaner script to make the file easier to parse

day1_part2_fixer.sh

#!/bin/env bash

file=./input.txt

sed -i s/eighthree/83/g $file
sed -i s/eightwo/82/g $file
sed -i s/sevenine/79/g $file
sed -i s/fiveight/58/g $file
sed -i s/threeight/38/g $file
sed -i s/twone/21/g $file
sed -i s/oneight/18/g $file

sed -i -e :a -e '/^\n*$/{$d;N;ba' -e '}' $file