On: Scripting the Vim editor, Part 1 (by Damian Conway)

There's a recent post about scripting in Vim using Ruby, but as one commenter says there, it's more portable to use Vimscript itself. I don't do a lot of Vimscripting, but I found this tutorial helpful. Here are the other links as well:

http://www.ibm.com/developerworks/linux/library/l-vim-script...

http://www.ibm.com/developerworks/linux/library/l-vim-script...

http://www.ibm.com/developerworks/linux/library/l-vim-script...

http://www.ibm.com/developerworks/linux/library/l-vim-script...