Re: SPSS file record layout type 2 vs type 3

[Ben Pfaff]

John Darrington <address@hidden> writes:

> On Mon, Mar 03, 2008 at 09:50:29AM -0800, Ben Pfaff wrote:
>
>      I hope that you have found the PSPP documentation on the system
>      file format.  This is drawn from the wotsit documentation plus
>      pretty extensive experience with actual SPSS files around the
>      web.  The source for the latest version of the PSPP documentation
>      can be found at:
>              
> http://cvs.savannah.gnu.org/viewvc/pspp/doc/dev/system-file-format.texi?root=pspp&view=markup
>      
>
> Now that I look at this, I notice that PSPP always writes the value 2.
> The spss documentation suggests that this implies that the file can be
> read by versions prior spss v7.5; I've never tested any of our files
> with such an old version. So shouldn't we be writing 3 instead ?

I have access to a very old version of SPSS (older than 7.5).  If
you like, I'll try out some .sav files with it to see whether the
"version number" here makes any difference.
-- 
Ben Pfaff 
http://benpfaff.org