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copied!<p>When executing a batch file with ant's <code>apply</code> or <code>exec</code> tasks on Windows, I found there are special cases where some of the stdout and stderr is not captured by ant. (For example: if you call a batch file that in turn calls other commands (like <code>node.exe</code>), then the stdout and stderror from the child <code>node.exe</code> process is lost.)</p> <p>I spent a long time trying to debug this! It seems that the batch file's stdout and stderr is captured, however commands called by the batch file are somehow not seen by ant. (perhaps because they are separate child processes). Using the <code>output</code> and <code>error</code> attributes as suggested above doesn't help because only <em>some</em> of the stdout and/or stderr is captured.</p> <p>The solution I came up with (a <em>hack</em>) is to add these arguments at the end of the command:</p> <pre><code> <arg line=" &gt; _tempfile.out 2&lt;&amp;1"/>    <arg line=" || (type _tempfile.out &amp; del _tempfile.out &amp; exit /b 1)"/>  <arg line=" &amp; type _tempfile.out &amp; del _tempfile.out &amp;"/> </code></pre> <p>Because this <em>hack</em> only applies to windows, remember to add <code>@osfamily="windows"</code> to the <code>apply</code> or <code>exec</code> task. And create similar task(s) for `@osfamily="unix", etc but without these extra arguments.</p>

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