Track Flickr group membership history using iMacro

User Guide	This script keeps a running log (every time you execute it), by updating a discussion message and/or saving a snapshot of group memberships. For the running log you have to create a message in each Flickr group you are an administrator for (or specifically declare), called "Member count". This log keeps a historical record of "date, membership total, total number of items". Before adding a new log entry it checks if the last entry (and the one before that) was less than a fortnight ago and updates it semi-intelligently.
Why?	I created this script as there is no easy alternative for keeping a history of membership for restricted groups in Flickr.
Notes	I'm an administrator for 9 Flickr groups and maintain membership logs in 4 other groups. Watching the macro chug along updating the logs is quite satisfying. It takes 10 seconds per group (loading 3 to 4 web pages each time and added waiting time, to avoid possible page freezes, composes most of that time) but this can increase up to three-fold depending on Flickr traffic. For a macro that I only need to run once every one or two weeks that doesn't seem too shabby.

[Source code now maintained at Sourceforge.net]

iMacro setup

iMacro installs itself with some example JavaScript files (.js) which are visible in the folders that iMacro shows you in Firefox. If you find the location of these folders on your hard disk (on the Mac these are under /<your_username>/iMacros/Macros/) and then save the script in this location with a ".js" extension you should be able to see the file when you refresh the iMacro folder list in Firefox. You should then be able to play the script from within iMacro (you have to already be logged in to your Flickr account and have created "Member count" discussion topics for groups you want to log). In the first instance I suggest you try the test test version which will run fully and show you the intended changes in the detailed change log but will not actually commit them. See wiki.imacros.net for further help.