for-each sort of thing in {} ?

Subject: for-each sort of thing in {} ?
From: "Carole E. Mah" <carole@xxxxxxxxxxxxxxxxxx>
Date: Thu, 8 Jun 2000 11:58:46 -0400 (EDT)
I've currently got something like:

<foo>
 <bar id="farble1">
 <bar id="farble2">
 <bar id="farble3">
</foo>

And I want to grab all these id's and put them on an anchor's HREF value,
saving them as query paramters like this:

<a href="foo.php3?id1=farble1&id2=farble2&id3=farble3">

To do this, I have:
<xsl:template match="foo">
 <a 
href="foo.php3?
id1={bar/@id}&amp;id2={bar[position()=2]/@id}&amp;id3={bar[position()=3]/@id}">

</xsl:template>

This works quite well.

However, the number of <bar> elements inside any given <foo> element in
any given document instance may vary  (this is (bar+) in the content model
for <foo>).

What I really want then, is whatever (if it exists) the XSLT equivalent in
a <a href="foo.php3?{FOR-LIKE-THING}"> of this PHP-ish FOR idea: 
  $hrefValue = "";
  for (i=0;i<last();i++) {
    $appendMe = "&amp;id$i=bar/@id";
    # concatenate next id to href string
    $hrefValue .= $appendMe;
   }

I hope this analogy makes sense ( .= is the concatenation operator in
PHP).

thanks,
-carole
- - - - - - - - - - - - - - - - - - - - - - - - - - - 
  Carole E. Mah                Carole_Mah@xxxxxxxxx
              Senior Programmer/Analyst
    Brown University Scholarly Technology Group
                  phn 401-863-2669
                  fax 401-863-9313
              http://www.stg.brown.edu/
personal: http://www.stg.brown.edu/staff/carole.html



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