Bash 3.2: copy specific file names and files with specific extensions

notes-backup.sh

  #!/usr/bin/env bash

  declare -a backup_files=(*.{id,nsf}, desktop8.ndk archive user.dic);
  declare -a notes_data_directory=~/Library/Application\ Support/IBM\ Notes\ Data/;
  declare -a notes_backup_directory=~/Desktop/Notes\ Backup;

  mkdir -p "$notes_backup_directory";
  cd "$notes_data_directory";

  for i in "${backup_files[@]}"
  do

    cp -nipvR "$notes_data_directory$i" "$notes_backup_directory";

    # find "$notes_data_directory""$i" -exec cp -nipvR {} "$notes_backup_directory" \;
  done

# OUTPUT: All files are copied from the backup_files array except for .id files and .nsf files.