I don't know about the ant side of things, but you can set the destination
for Saxon's xsl:message output by doing, for example

((Controller)transformer).getMessageEmitter().setWriter(writer)

where transformer is the JAXP Transformer and writer is a java.io.Writer of
your choice.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Robert Soesemann [mailto:rsoesemann@xxxxxxxxxxx] 
> Sent: 01 December 2004 11:51
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE: [xsl] Write log file during xslt and xmlvalidate
> 
> I'm using the Saxon8.jar XSLT2.0 engine. Do you know how to pipe its
> output from xsl:message to the ant context?
> 
> Best regards,
> 
> Robert
> 
> -----Original Message-----
> From: Michael Kay [mailto:mike@xxxxxxxxxxxx] 
> Sent: Mittwoch, 1. Dezember 2004 12:21
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE: [xsl] Write log file during xslt and xmlvalidate
> 
> 
> The way to achieve this depends entirely on which XSLT 
> processor you are
> using.
> 
> JAXP 1.3 specifies that xsl:message output is written to the
> ErrorListener but not everyone implements that yet.
> 
> Michael Kay
> http://www.saxonica.com/
>  
> 
> > -----Original Message-----
> > From: Robert Soesemann [mailto:rsoesemann@xxxxxxxxxxx]
> > Sent: 01 December 2004 11:02
> > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> > Subject: [xsl] Write log file during xslt and xmlvalidate
> > 
> > Hello,
> > 
> > I have implemented a migration process in Ant with xsl 
> transformations
> 
> > and XML Schema validations. I want to write the 
> errors/warnings during
> 
> > validation and xsl:messages during  into a log file.
> > 
> > I know there is the echo task which can write to a file, but
> > it is only
> > able to write from the built script and not from the task. 
> > There must be
> > a way to pass task output to a log file.
> > 
> > Has anybody done this before?
> > 
> > Thanks Robert