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Re: Use of (sxml xpath)

From: Aleix Conchillo Flaqué
Subject: Re: Use of (sxml xpath)
Date: Wed, 31 Oct 2012 14:57:14 -0700

On Wed, Oct 31, 2012 at 10:51 AM, Ariel Rios <address@hidden> wrote:
> Hello all,
> I am trying to use (sxml xpath) to parse an xml file but I just cannot
> understand the API.
> If I have the following xml
> <?xml version="1.0" encoding="UTF-8"?>
> <tt xmlns=""; xml:lang="en">
> <head><styling/><layout/></head>
> <body>
> <div>
> <p foo="x"/>hello </p>
> <p foo="y"/>hello 2 </p>
> <p foo="z"/>hello 3</p>
> .....
> In Perl I can do something like:
> my $xml = XML::XPath->new(filename => $file);
> $xml->find ('//p')->get_nodelist);
> $p->getAttribute ('foo')

(define (test-sxml port)
  (let ((x (xml->sxml port)))
    ((sxpath '(// p @ foo)) x)))

(call-with-input-file "test.xml" test-sxml)

(test-sxml) will return a list like this:

((foo "x") (foo "y") (foo "z"))

Or, if you use (sxpath '(// p)) you will get all full <p>:

((p (@ (foo "x")) "hello ") (p (@ (foo "y")) "hello 2 ") (p (@ (foo
"z")) "hello 3"))

Hope this helps,


I've tried it with:

<?xml version="1.0" encoding="UTF-8"?>
<p foo="x">hello </p>
<p foo="y">hello 2 </p>
<p foo="z">hello 3</p>

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