ant-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Scot P. Floess" <flo...@mindspring.com>
Subject Re: Problem with script task and properties
Date Fri, 19 May 2006 01:40:52 GMT
I think the idea here is to use <var> from ant contrib.  It definitely 
works and allows one to reset properties...

For instance:

<project  name = "example">
    <taskdef  resource = "net/sf/antcontrib/antlib.xml"/>

    <var name = "my-var" value = "foo"/>
    <echo message = "my-var = ${my-var}"/>

    <var name = "my-var" value = "bar"/>
    <echo message = "my-var = ${my-var}"/>

    <var name = "my-var" value = "alpha"/>
    <echo message = "my-var = ${my-var}"/>
</project>

Will yield:

     [echo] my-var = foo
     [echo] my-var = bar
     [echo] my-var = alpha

Above, the variable is being changed...

trad-ex wrote:
> Hi Steve,
>
> I tried to use "Variables" Task in ant-contrib, but it replicate the 
> same result as Dick did.
> My build.xml is:
>
> <?xml version="1.0" ?>
> <project name="build" basedir="." default="test">
> <taskdef resource="net/sf/antcontrib/antlib.xml"/>
>   <target name="test">
>      <script language="javascript">
>         <![CDATA[
>           project = self.getProject();
>           echo = project.createTask("echo");
>           variable = project.createTask("var");
>           variable.setName("theVal");
>           variable.setValue("foo");
>           variable.execute();
>           echo.setMessage(project.getProperty("theVal"));
>           echo.perform();
>           echoval.execute();
>           variable.setName("theVal");
>           variable.setValue("bar");
>           variable.execute();
>           echo.setMessage(project.getProperty("theVal"));
>           echo.perform();
>           echoval.execute();
>         ]]>
>       </script>
>    </target>
>    <target name="echoval">
>       <echo>${theVal}</echo>
>    </target>
> </project>
>
> The Result is:
>
> c:\>ant -v
> Apache Ant version 1.6.2 compiled on July 16 2004
> Buildfile: build.xml
> Detected Java version: 1.4 in: C:\j2sdk1.4.1_07\jre
> Detected OS: Windows XP
> parsing buildfile C:\build.xml with URI = file:///C:/build.xml
> Project base dir set to: C:\
> parsing buildfile 
> jar:file:/C:/apache-ant-1.6.2/lib/ant-contrib.jar!/net/sf/antcontrib/antlib.xml 
> with URI = 
> jar:file:/C:/apache-ant-1.6.2/lib/ant-contrib.jar!/net/sf/antcontrib/antlib.xml
> Build sequence for target `test' is [test]
> Complete build sequence is [test, echoval, ]
>
> test:
>      [echo] foo
>      [echo] foo
>      [echo] bar
>      [echo] foo
>
> BUILD SUCCESSFUL
> Total time: 0 seconds
> c:\>
>
> Why ?
> What's wrong with my description about "Variable" task ?
> Any comments will be very appreciated.
>
> Best Regards,
> trad-ex
>
>   
>> Dick, Brian E. wrote:
>>     
>>> I have just a day to get this working. These are production machines, so
>>> I can't deploy anything to them.
>>>
>>> I'm using sshexec to remotely ping from a unix host and using rcmd to
>>> remotely ping from a windows host. I redirect the output from these
>>> tasks to a file and then use loadfile with a filterchain to load the
>>> ipaddress into a property.
>>>
>>> This works all fine and dandy except I need to do it in a loop, so that
>>> led me to the script task. But I was having problems getting the
>>> ipaddress set by loadfile back to the script. I didn't want to create
>>> 20x100 properties, but if that's what it takes, so be it.
>>>
>>>       
>> In that case, grab the <var> task from ant-contrib, which can be used to 
>> erase a property before you reuse it.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
>> For additional commands, e-mail: user-help@ant.apache.org
>>     
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> For additional commands, e-mail: user-help@ant.apache.org
>
>
>   

-- 
Scot P. Floess
27 Lake Royale
Louisburg, NC  27549

252-478-8087 (Home)
919-754-4592 (Work)

Chief Architect JPlate  http://sourceforge.net/projects/jplate
Chief Architect JavaPIM http://sourceforge.net/projects/javapim


Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message