Bopalong for Mac

From Black Diamond Products:

Bopalong is a file manipulation and listing program. It allows you to rename batches of files, batch change various file properties, and generate file and folder listings. Bopalong:

• Allows previews of any file changes before making them
• Has simple wildcard renaming facilities
• Can set file labels, comments, type and creator codes
• Allows you to delete resource forks ( useful for web graphics )
• Has flexible file selection facilities
• Allows you to view or export file listings with selectable fields and separators
• Features a folder size lister to help see where all that disk space is going
• Can generate lists based on various search criteria