Remove all CR2 (raw image) files if they don't have corresponding JPG sibling

remove_uniquie_raw.sh

#!/bin/bash

# Remove all CR2 (raw image) files if they don't have corresponding JPG sibling

allJpgs="$(ls|grep .JPG)"
allRaws="$(ls|grep .CR2)"
allowedRaws=()
for file in $allJpgs
do
	allowedRaws+=(${file/JPG/CR2})
done

for raw in ${allRaws[@]}
do 
	if [[ ! " ${allowedRaws[@]} " =~ " ${raw} " ]]; then
		echo "Removing $raw" 
		rm $raw
	fi
done