Find large Microsoft Word documents on Mac with Spotlight+MacRuby

gistfile1.rb

#                                    
# List large Microsoft Word files upto 10
#

framework 'Cocoa'

def finish(notification)
  max = @query.resultCount
  max = 10 if max > 10
  (0...max).each { |i|
    path = @query.resultAtIndex(i).valueForAttribute('kMDItemPath')
    puts path
    puts File.size(path)
  }
  exit
end

@query = NSMetadataQuery.alloc.init
@query.searchScopes = [ "#{ENV['HOME']}" ]
@query.sortDescriptors = [NSSortDescriptor.alloc.initWithKey('kMDItemFSSize',ascending:false)]

NSNotificationCenter.defaultCenter.addObserver(self,
                                               selector:'finish:',
                                               name:'NSMetadataQueryDidFinishGatheringNotification',
                                               object:@query)
pred1 = NSPredicate.predicateWithFormat("kMDItemContentType == %@", "com.microsoft.word.doc")
pred2 = NSPredicate.predicateWithFormat("kMDItemContentType == %@", "org.openxmlformats.wordprocessingml.document")
preds = [pred1, pred2]
@query.predicate = NSCompoundPredicate.orPredicateWithSubpredicates(preds)

@query.startQuery
NSRunLoop.currentRunLoop.run