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POAndroid+Gradle: list directories into a file
 

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    <p>I'm trying to convert a task I have in an ANT build to Gradle:</p> <pre><code>&lt;target name="index-assets" depends="copy-assets"&gt; &lt;path id="assets.path"&gt; &lt;!-- contexts (and surplus) --&gt; &lt;dirset id="assets.dirset" dir="assets/" defaultexcludes="yes"/&gt; &lt;!-- assets --&gt; &lt;fileset id="assets.fileset" dir="assets/" includes="**" excludes="asset.index" defaultexcludes="yes"/&gt; &lt;/path&gt; &lt;pathconvert pathsep="${line.separator}" property="assets" refid="assets.path" dirsep="/"&gt; &lt;mapper&gt; &lt;globmapper from="${basedir}/assets/*" to="*" handledirsep="yes"/&gt; &lt;/mapper&gt; &lt;/pathconvert&gt; &lt;echo file="assets/asset.index"&gt;${assets}&lt;/echo&gt; &lt;/target&gt; &lt;target name="-pre-build" depends="index-assets"/&gt; </code></pre> <p>I guess I'm still not completely grasping basic Gradle concepts, but here's what I tried:<br/></p> <pre><code>task indexAssets &lt;&lt; { def assets = file("assets") def contexts = files(assets) inputs.file(assets) outputs.file("assets/assets-gradle.index") def tree = fileTree(dir: 'assets', include: ['**/*'], exclude: ['**/.svn/**', 'asset.index']) contexts.collect { relativePath(it) }.sort().each { println it } tree.collect { relativePath(it) }.sort().each { println it } } </code></pre> <ol> <li>The tree is fine, but contains only file (leaf) paths<br/></li> <li>I just can't seem to get the simple clean list of directories (contexts) though. I tried several other variants (tree, include/exclude), but I either get a single file in that directory, the directory name itself or nothing. I just want a simple list of directories found in the 'assets' dir.</li> <li><p>For now I'm just trying to print the paths, but I'd also like to know the proper way to later write these into a file (like ANT's echo file). <br/> <br/> <strong>Update:</strong><br/> This groovy snippet seems to do that part (+ svn filter), but I'd rather find a more "Gradley" way of doing this task. It runs in a context of a build variant later as a pre-build dependency. (NOTE: I had to specify the 'Project' as part of the path in this hack since I guess I'm not in that project context for the task?)<br/></p> <pre><code>def list = [] def dir = new File("Project/assets") dir.eachDirMatch (~/^(?!\.svn).*/) { file -&gt; list &lt;&lt; file } list.each { println it.name } </code></pre></li> </ol>
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