@Daniel Staal, thanks for your quick reply. I have figured it out and got to know that I am using robot framework and it generate 3 file log.html, output.xml and report.html. 
And I believe that output.xml must be embedded/referred from the html files. so now can you guide me how can i use pandoc to convert this file and please tell me if some other approaches are there.

Thanks,
Dharmishtha 
On Tuesday, April 12, 2016 at 9:44:59 AM UTC-7, Daniel Staal wrote:
--As of April 11, 2016 9:58:31 PM -0700, dharmi patel is alleged to have
said:

> This is very long file and I want to convert this xml file to html file..
> what should I do.. Can you or anyone else please help me. Thanks in
> advance

--As for the rest, it is mine.

It's hard to help to much directly, as it's hard to know what needs to be
presented as a paragraph, or a table, or in emphasis, etc. from just the
XML.  Again, XML is a file format format - saying something is XML says how
to recognize the markup and what rules the markup will need to follow, but
doesn't say what the markup means in any particular context.

If that's coming from a specific program, it might be best to see if that
program has an HTML output option.  If not, google to see if someone has
created an XSLT for that type of file, and then you can feed your input
file and that XSLT (which describes what parts of the XML file need to be
what types of things in XHTML) into your XSL process of your choice.  (Some
cost thousands of dollars, some are free on the web.  They vary widely in
features and interface, and I haven't done enough with them to have
recommendations.)

If you can't find an XSLT for your type of file...  Well, you can either
write one yourself, or get someone to write one for you.  It can be
somewhat complex, but isn't especially difficult.  Again, there are
programs and courses to help you - both free and non-free - available.

Daniel T. Staal

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