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From Steve Loughran <>
Subject Re: an input for ant arg.
Date Thu, 10 Jan 2008 10:29:55 GMT
Chun Ji wrote:

>    <target name="migration">
>       <exec executable="java" dir=".">
> 	    <arg line="..."/> 
>           <arg line="Test `grep "^where keyp_clientid in" input.sql | awk '{print
$4}'` "/>
>       </exec>
>       <xslt .../>
>    </target>
> ...
> "
> The error msg is: Element type "arg" must be followed by either attribute specifications,
">" or "/>"
> So what should I do to solve this issue ? Any comments is welcome! 

The problem is the second <arg> statement has way too many quotes in the 
line attribute for XML to handle. This an XML problem, not an ant one. 
You can use paired single quotes

	line='some "inner" thing'
or double
	line="some 'other' thing"
but you cant have the same quotation type inside as out.

Try creating the string from a couple of properties
<property name="grep" value='"^where keyp_clientid in"' />
..and build these up

of course, when you do that you'd find that the pipe,  the grep and the 
awk wouldnt work, as they are shell commands. You'd need to run bash. 
Much better to
  -create at an outputredirector for the output
  -create a filterchain in the outputredirector that did your search


Steve Loughran        
Author: Ant in Action 

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