habitica/migrations/20131114_migrate_websites_to_blurb.js

// Migrate all users websites to the profile blurb field
db.users.find({'profile.websites':{$exists: true}}).forEach(function(user){
    db.users.update({_id: user._id}, {
        $set: {"profile.blurb": user.profile.blurb + '\n * ' + user.profile.websites.join('\n * ')},
        $unset: {'profile.websites': 1}
    })
})

db.groups.find({'websites.0':{$exists: true}}).forEach(function(group){
  db.groups.update({_id: group._id}, {
    $set: {"description": group.description + '\n * ' + group.websites.join('\n * ')},
    $unset: {websites: 1}
  })
})