Collect all bandcamp links from flac files on nested directories

script.sh

#!/usr/bin/env bash

SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
LINKS=()

for dir in */
do
    file=$(find "./$dir" -name "*.flac" -print -quit)
    if [ "$file" ]
    then
        comment=$(metaflac --show-tag=COMMENT "$file")
        if echo "$comment" | grep -q "COMMENT=Visit "; then LINKS+=("${comment#"COMMENT=Visit "}"); fi
    fi
done

sorted_links=$(printf '%s\n' "${LINKS[@]}" | sort -u)
echo "${sorted_links[*]}"

IFS=$SAVEIFS