Re: force updating using ssconvert

[bill lam <cbill lam gmail com>]

On Tue, 27 Oct 2009, Andreas J. Guelzow wrote:
> On Wed, 2009-10-28 at 10:12 +0800, bill lam wrote:
> > I want to update all gnumeric xml format file to the latest version
> > (currently 1.9.9). I tried using ssconvert in the form
> >   sconvert --export-type=Gnumeric_XmlIO:sax
> >
> > However it seems ssconvert will convert nothing if the input file is already
> > the same format as the output.  Is there any workaround apart from doing a
> > round trip via biff format (which I fear would change semantic content)?
>
> When I call ssconvert as
> ssconvert --export-type=Gnumeric_XmlIO:sax easter.gnumeric
>
> It replaces the file easter.gnumeric with a new version of it (THe size
> changed by a few bytes and the modification date changed.)
>
> What happens in your case?
 
I test with ssconvert from v1.9.15 to convert 1.9.9 files
b1.xls is a gnumeric 1.9.9 format file with .xls filename extension
(all my gnumeric files use xls extension)

$ ssconvert -T Gnumeric_XmlIO:sax b1.xls  

// not converted as verified by zcat b1.xls|head

but 
$ cp b1.xls b1.gnumeric 
$ ssconvert -T Gnumeric_XmlIO:sax b1.gnumeric   

// converted ok

Apparently it must use correct filename extension for force updating.

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