<html> <head> <meta http-equiv="Content-Language" content="en-us"> <title>Echo Task</title> </head> <body> <h2><a name="echo">Echo</a></h2> <h3>Description</h3> <p>Echoes a message to the current loggers and listeners which means <tt>System.out</tt> unless overridden. A <tt>level</tt> can be specified, which controls at what logging level the message is filtered at. <p> The task can also echo to a file, in which case the option to append rather than overwrite the file is available, and the <tt>level</tt> option is ignored</p> <h3>Parameters</h3> <table border="1" cellpadding="2" cellspacing="0"> <tr> <td valign="top"><b>Attribute</b></td> <td valign="top"><b>Description</b></td> <td align="center" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">message</td> <td valign="top">the message to echo.</td> <td valign="top" align="center">Yes, unless data is included in a character section within this element.</td> </tr> <tr> <td valign="top">file</td> <td valign="top">the file to write the message to.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">append</td> <td valign="top">Append to an existing file?</td> <td valign="top" align="center">No - default is false.</td> </tr> <tr> <td valign="top">level</td> <td valign="top">Control the level at which this message is reported. One of "error", "warning", "info", "verbose", "debug"</td> <td valign="top" align="center">No - default is "warning".</td> </tr> </table> <h3>Examples</h3> <pre> <echo message="Hello, world"/></pre> <pre> <echo>This is a longer message stretching over two lines. </echo> </pre> <pre> <echo> This is a longer message stretching over three lines; the first line is a blank </echo> </pre> As XML parsers are wont to do, the first newline in the text element has been included in the text. <pre><echo message="Deleting drive C:" level="debug"/></pre> A message which only appears in <tt>-debug</tt> mode. <pre><echo level="error"> Imminent failure in the antimatter containment facility. Please withdraw to safe location at least 50km away. </echo> </pre> A message which appears even in <tt>-quiet</tt> mode. <pre><echo file="runner.csh" append="false">#\!/bin/tcsh java-1.3.1 -mx1024m ${project.entrypoint} $$* </echo></pre> Generate a shell script by echoing to a file. Note the use of a double $ symbol to stop Ant filtering out the single $ during variable expansion <hr> <p align="center">Copyright © 2000-2002 Apache Software Foundation. All rights Reserved.</p> </body> </html>