how to add a carriage return to the end of output

[Minsheng Shen]

Hi 
I am using Camel 2.10.4 and using File2 component as output of a route. It
seems fileExist=Append option does not add a carriage return to the end of
ouput. I want to add carrage return to every entry so that the output looks
nicer.
Here is the route:
<onException useOriginalMessage="true">
                
<exception>org.springframework.dao.DataAccessException</exception>
                <redeliveryPolicy maximumRedeliveries="5" redeliveryDelay="1000"
backOffMultiplier="2"/>
                <handled><constant>true</constant></handled>
                 <transform>
                                <simple>${in.body}\n</simple>
                </transform>
                        <to
uri="file:{{bad.messages.dir}}?fileName={{bad.messages.file}}&amp;autoCreate=true&amp;fileExist=Append"
/>
</onException>

 I also tried 
<transform>
           <simple>${in.body}\r</simple>
</transform>
The Simple language page http://camel.apache.org/simple.html says from 
Camel 2.9.3 onwards, "\n" should work add a newline. I tried both "\n" and
"\r", and they do not work.
Did I do anything wrong?
Thanks




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