Bash to remove some files

    for ext in bundle text unity3d audio tx2d; do
      echo "EXT: $ext"

      for file in $(find $DIR_A -name "*$ext" | sort); do

        matcher=$(echo $file | sed s#\.[0-9]*\.$ext\$##)
        matcher="$matcher.*.$ext"

        siblings=$(find $DIR_A -wholename "$matcher" | sort)

        removeList=($siblings)
        unset removeList[${#removeList[@]}-1]

        if [ ! -z "$removeList" ]; then
          echo "File: $file"
          for remove in "${removeList[@]}"; do
            echo "  Remove: $remove"
            rm $remove
          done
        fi
      done
    done