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From "Rebhan, Gilbert" <>
Subject RE: Changing the "leading directory" path on a directory tree
Date Wed, 15 Mar 2006 07:32:15 GMT


when dealing with properties within a for loop, you
have to keep in mind, that properties are immutable,
so you have to use variable properties,
f.e. =

<target name="main">

<fileset id="files" dir="T:/foobar/blaa" includes="*.*" />

<for param="file">
<fileset refid="files" />
     Filepath === @{file}
<var name="filename" unset="true" />
<basename property="filename" file="@{file}" />

 Filename === ${filename}


if you delete the line

<var name="filename" unset="true" />

the property ${filename} is set in the first loop
and stays the same in all following loops

Regards, Gilbert

-----Original Message-----
From: Ninju Bohra [] 
Sent: Tuesday, March 14, 2006 11:00 PM
To: Ant Users Group
Subject: Changing the "leading directory" path on a directory tree

Hello all,
I am not sure if I can explain this correctly, so I will show you the
target text and then explain the problem
   <target name="publish.documents" depends="init, fetch.files,
      <property name="changes.dir"
      <property name="output.root.dir"
      <for param="file">
          <fileset dir="${changes.dir}" excludes="${dont.convert}"/>
          <!-- construct the destination full filename and path, need to

               change the extension to .pdf and the replace the "leading
directory" path
               from ${changes.dir} to ${output.root.dir} -->
          <propertyregex override="yes"
            property="destfile"  input="@{file}"
            regexp=".*/([^\.]*)\.cpp" replace="\1"/>
          <!-- invoke the pdf convertor passing the two files paths -->
          <exec executable="C:\Program Files\e-PDF Document Converter
             <arg value="-i"/>
             <arg value="@{file}"/>
             <arg value="-o"/>
             <arg value="${destfile}"/>
          <!-- after converting the file we can delete the source file
          <delete file="${file}"/>
      <!-- Now copy over all the remaining files from changes.dir -->
       <copy todir="${output.root.dir}">
          <fileset dir="${changes.dir}"/>

 I copied most of the <for> task text from the example provided in the
ant-contrib documentation and made my modifications.
The problem I am having is in the <propertyregex> task (the first task
afterthe <sequential>), what I want to do is convert filepaths that are
provided in the @{file} attribute from
  C:\dir_viewer\Since_Last_changes\abc\yada yada\yada\Bob.doc
  ${output.root.dir}\abc\yada yada\yada\Bob.pdf
I know the code above will not accomplish all that (the <propertyregex>
is incorrect) but I did not know if it was even possible to do that with
property manipulations anyways.
Any ideas,

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