rename_albums.sh

#!/usr/bin/env bash

DIR=$1
cd "$DIR"
for d in */ ; do
    if [[ "$d" =~ .*\([0-9\-]+\).* ]]; then
        date=$(echo $d | sed "s/.*(//" | sed "s/)\///")
        new_name="$date - $(echo $d | sed "s/$date//" | sed "s/ ()//")"
        if [ ! -d "$new_name" ]; then
            mv "$d" "$new_name"
        else
            echo "Skipping $d as $new_name already exists"
        fi
    fi
done