2001-02-13 12:32:01 +00:00
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<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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2002-02-03 22:11:39 +00:00
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<title>Script Task</title>
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2001-02-13 12:32:01 +00:00
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</head>
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<body>
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<h2><a name="script">Script</a></h2>
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<h3>Description</h3>
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<p>Execute a script in a
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2002-11-14 07:48:25 +00:00
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<a href="http://jakarta.apache.org/bsf" target="_top">Apache BSF</a> supported language.</p>
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2001-08-30 13:23:14 +00:00
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<p><b>Note:</b> This task depends on external libraries not included in the Ant distribution.
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See <a href="../install.html#librarydependencies">Library Dependencies</a> for more information.</p>
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2001-02-13 12:32:01 +00:00
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<p>All items (tasks, targets, etc) of the running project are
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accessible from the script, using either their <code>name</code> or
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2002-06-01 12:26:43 +00:00
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<code>id</code> attributes (as long as their names are considered
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valid Java identifiers, that is).
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The name "project" is a pre-defined reference to the Project, which can be
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used instead of the project name.</p>
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2001-02-13 12:32:01 +00:00
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<p>Scripts can do almost anything a task written in Java could do.</p>
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<h3>Parameters</h3>
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<table border="1" cellpadding="2" cellspacing="0">
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<tr>
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<td valign="top"><b>Attribute</b></td>
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<td valign="top"><b>Description</b></td>
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<td align="center" valign="top"><b>Required</b></td>
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</tr>
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<tr>
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<td valign="top">language</td>
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<td valign="top">The programming language the script is written in.
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2002-11-14 07:48:25 +00:00
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Must be a supported Apache BSF language</td>
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2002-07-09 21:06:15 +00:00
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<td valign="top" align="center">Yes</td>
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2001-02-13 12:32:01 +00:00
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</tr>
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<tr>
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<td valign="top">src</td>
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<td valign="top">The location of the script as a file, if not inline</td>
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<td valign="top" align="center">No</td>
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</tr>
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</table>
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<h3>Examples</h3>
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<blockquote><pre>
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<project name="squares" default="main" basedir=".">
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<target name="setup">
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<script language="javascript"> <![CDATA[
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for (i=1; i<=10; i++) {
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echo = squares.createTask("echo");
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main.addTask(echo);
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echo.setMessage(i*i);
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}
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]]> </script>
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</target>
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<target name="main" depends="setup"/>
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</project>
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</pre></blockquote>
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<p>generates</p>
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<blockquote><pre>
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setup:
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main:
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1
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4
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9
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16
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25
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36
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49
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64
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81
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100
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BUILD SUCCESSFUL
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</pre></blockquote>
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<p>Another example, using <a href="../using.html#references">references by id</a>
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and two different scripting languages:</p>
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<blockquote><pre>
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<project name="testscript" default="main">
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<target name="sub">
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<echo id="theEcho"/>
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</target>
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<target name="sub1">
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<script language="netrexx"><![CDATA[
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theEcho.setMessage("In sub1")
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sub.execute
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]]></script>
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</target>
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<target name="sub2">
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<script language="javascript"><![CDATA[
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theEcho.setMessage("In sub2");
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sub.execute();
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]]></script>
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</target>
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<target name="main" depends="sub1,sub2"/>
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</project>
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</pre></blockquote>
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<p>generates</p>
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<blockquote><pre>
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sub1:
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In sub1
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sub2:
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In sub2
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main:
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BUILD SUCCESSFUL
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</pre></blockquote>
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<hr>
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2002-06-01 12:26:43 +00:00
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<p align="center">Copyright © 2000-2002 Apache Software Foundation. All rights
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2001-02-13 12:32:01 +00:00
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Reserved.</p>
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</body>
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</html>
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