There is no mechanism in Galaxy for doing this. Galaxy for the most
part (or entirely?) does not use extensions for determining data
formats - datatypes define sniffer methods and the sniffing methods
all inspect the data on the filesystem so require completed uploads
and in turn the upload process requires a database entry.

-John

On Tue, Apr 8, 2014 at 12:39 AM,  <neil.burd...@csiro.au> wrote:
> Hi
>
>     When selecting a file or after clicking on "Execute" to upload a file is
> it possible to check the file is appropriate i.e. by checking file extension
> etc, before the file is actually uploaded and put into the database? So the
> user can't upload the wrong file/format
>
>
>
> Thanks
>
> Neil
>
>
>
> Neil Burdett
>
> Software Engineer | The Australian e-Health Research Centre
>
> Computational Informatics
>
> CSIRO
>
> E: neil.burd...@csiro.au T: 07 3253 3626
>
> Address: Level 5, UQ Health Science Building 901/16 Royal Brisbane and
> Women's Hospital, Herston, Brisbane, QLD, 4029
>
> www.csiro.au | http://milxview.csiro.au
>
>
>
>
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