Awesome!  Thank you, John - I'd actually glanced at the sanitizer and
wondered if it was what I needed, but having a working example makes all
the difference!

On Tue, Sep 9, 2014 at 7:26 PM, John Chilton <jmchil...@gmail.com> wrote:

> Funny - I just exchanged an e-mail with someone about this tool this
> morning, the Galaxy-P dbbuilder tool escapes exactly this santizing.
> Here is the relevant portion:
>
>         <param name="url" value="" type="text" label="URL (http, ftp)">
>           <sanitizer>
>             <valid>
>               <add value="%"/>
>             </valid>
>           </sanitizer>
>         </param>
>
> The full tool is on the tool shed.
>
> https://toolshed.g2.bx.psu.edu/repos/galaxyp/dbbuilder
>
> Hope this helps.
>
> -John
>
> On Tue, Sep 9, 2014 at 10:08 PM, Melissa Cline <cl...@soe.ucsc.edu> wrote:
> > Hi folks,
> >
> > I'm working on a tool that queries a database based on user input, where
> > this user input is a text parameter.  The wildcard for the database is
> the
> > percent (%) character.  The user input, which is ultimately translated
> into
> > the query, should be able to contain a % character.  For example, one
> input
> > field lets the user indicate which cancer cohort he or she is interested
> in,
> > in a table of available cohorts, and the user should be able to give
> input
> > like 'TCGA%" to indicate all TCGA cohorts.
> >
> > The problem I'm having is that when % is given in the input field, it's
> > translated (to X) by the time it reaches my tool's python script.  I
> haven't
> > been able to figure out the right way to escape the input so that % is
> not
> > translated.
> >
> > So, how do I escape this?
> >
> > Thanks!
> >
> > Melissa
> >
> >
> > ___________________________________________________________
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