Flickr_upload is a completely functional batch uploading tool which uses perl module flickr::upload as its back-end. it is flickr.com image uploading made easy and quick from the command line; it also helps you tagging, choosing access control, defining content type, setting safety level, etc., while uploading your images.

flickr_upload may also be useful for generating authentication tokens against other api keys/secrets (i.e. for embedding in scripts).