The article is good but I think is overcomplicating the solution. Greg Larsen's Article besides using an undocummented feature is also missing a simple posibility:

select *

from openrowset('SQLOLEDB',

                'Trusted_Connection=yes; Initial Catalog=Local',

                'SET FMTONLY OFF; exec msdb.dbo.sp_help_job ')

-- Where ...

And you get your problem solved

- without any undocumented feature

- with a very simple query

- without artificilly altering your jobs

Hope this helps