string-join( binary-value,'')

On Fri, 15 Mar 2024 at 13:53, Roger L Costello costello@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> Hi Folks,
>
> Eek! A basic question...
>
> I have an XML document containing an arbitrary number of <binary-value>
> elements:
>
> <Document>
>     <binary-value>0100</binary-value>
>     <binary-value>11</binary-value>
>     <binary-value>1010001</binary-value>
>     ...
> </Document>
>
> I want an XPath expression which concatenates the binary values into one
> long string:
>
> 0100111010001...
>
> I thought this would work:
>
> concat(for $i in //binary-value return $i)
>
> but that gives an error, "Cannot find a 1-argument function named concat"
>
> What is the correct XPath, please?
>
> /Roger