History

• January 2002, Version 0.5

  • Changed handling of different thumbnail sizes.

  • Renamed directories.

  • Propose using temporary filenames to avoid problems with concurrent access.

  • Save thumbnails directly in the size dir without subdirs.

  • Added optional Thumb::Mimetype key

  • Give some more implementation notes.

  • Added "Thanks" section.

• December 2001, Version 0.4

  • Destinction between required and optional thumbnail attributes.

  • Dropped distinction between global/local .thumbnail directories.

  • Use MD5 hashes as thumbnail filename.

  • Initial attempt to handle concurrent accesses by different programs.

  • Rewrote the "Deleting Thumbnails" section.

• August 2001, Version 0.3

  • Rewrote this paper.

• July 2001, Version 0.2

  • Removed distinction between low/high quality thumbnails.

  • Seperate directory for failures.

  • Consider permission settings.

• July 2001, Version 0.1

  • First public release.