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How to correctly specify the path in the ant task?

I want to call a task <proguard>in Ant and pass it the paths to various JAR files, for example. equivalent:

<proguard>
   -injars /some/path/jar1;/some other path/jar2
</proguard>

The problem is that some of these paths may contain spaces or special characters, they must be specified as described in the proguard manual :

<proguard>
  -injars /some/path/jar1;"/some other path/jar2"
</proguard>

This does not work to quote the entire argument; separate paths must be specified separately. The Ant file I am editing uses properties to pass the various JARs paths to proguard, and my problem is how to correctly quote separate paths for -injars and -libraryjars. Example:

<property name="libraryjars" refid="some.classpath" />
<proguard>
   @${proguard.config}
   -libraryjars  ${libraryjars}
</proguard>

I just changed the property to look like this:

<property name="libraryjars.unquoted" refid="some.classpath"/>
<property name="libraryjars" value="'${libraryjars.unquoted}'"/>

, ? ? , "path1; path2", , . , script, Ant :-) , , , (, , Windows, Mac Linux), , , Ok - Ant script.

[Update] @martin, , , pathconvert mapper chain:

<pathconvert property="dest.path" refid="source.path">
  <firstmatchmapper>
    <regexpmapper from='^([^ ]*)( .*)$$' to='"\1\2"'/>
    <identitymapper/>
  </firstmatchmapper>
</pathconvert>

C:\path\jar 1;C:\my path\jar2;C:\path\jar3 "C:\path\jar 1";"C:\my path\jar2";C:\path\jar3. . , . , - , - , .

+3
1

"-XML" proguard, , Ant pathconvert . :

<fileset id="some.classpath" dir=".">
    ...
</fileset>

<pathconvert property="injars.inner" refid="some.classpath" pathsep='"${path.separator}"' />
<property name="injars" value='"${injars.inner}"' />

- pathsep . , :

<proguard>
  -injars ${injars}
</proguard>
+2

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