Bash script to batch convert heic to jpg

mkdir output && for file in *.heic; do heif-convert -q 100 "$file" "output/${file/%.heic/.jpg}"; done mkdir -p output && for file in *; do [[ $file == *.heic ]] && heif-convert -q 100 "$file" "output/${file/%.heic/.jpg}" || cp "$file" output/; done