Update: I've added a patch for Drupal 7 that addresses a similar issue for the core node module.

I'm working on a Drupal project that requires calculating some custom stats for each registered user.

When migrating into Drupal from a CSV file (i.e. a spreadsheet from Excel or LibreOffice Calc if you're an open source nut like me), you use the MigrateSourceCSV class.

This is Part 1 in a series of posts on migrating a site from Squarespace 5 into Drupal 7. This is an overview of what we're doing and why, mostly discussing the format of the Squarespace 5 XML file, which is undocumented.