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  <title>Overview of Ant core tasks</title>
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<h2>Overview of Ant core tasks</h2>
<p>Given the large number of tasks available to a build designer, it may be 
difficult to get an overall view of what each task can do.  The following 
table provides a short description of each task and a link to the complete
documentation.</p>

<table border="1" cellpadding="4" cellspacing="0">
  <tr valign="top">
    <th>Task Name</th>
    <th>Description</th>
  </tr>

  <tr valign="top">
    <td><a href="ant.html">Ant</a></td>
    <td><p>Runs Ant on a supplied buildfile. This can be used to build subprojects.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="antcall.html">AntCall</a></td>
    <td><p>Call another target within the same build-file optionally specifying some
properties.</p></td>
  </tr>
  
  <tr valign="top">
    <td><a href="antstructure.html">AntStructure</a></td>
    <td><p>Generates a DTD for Ant buildfiles which contains information
about all tasks currently known to Ant.</p></td>
  </tr>
  
  <tr valign="top">
    <td><a href="apply.html">Apply/<i>ExecOn</i></a></td>
    <td><p>Executes a system command. When the <i>os</i> attribute is specified, then
the command is only executed when Ant is run on one of the specified operating
systems.</p></td>
  </tr>
  
  <tr valign="top">
    <td><a href="available.html">Available</a></td>
    <td><p>Sets a property if a resource is available at runtime. This resource can be a
file, a directory, a class in the classpath, or a JVM system resource.</p></td>
  </tr>
  
  <tr valign="top">
    <td><a href="chmod.html">Chmod</a></td>
    <td><p>Changes the permissions of a file or all files inside specified directories. 
    Right now it has effect only under Unix. The permissions are also UNIX style, like 
    the argument for the chmod command.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="condition.html">Condition</a></td>
    <td><p>Sets a property if a certain condition holds true - this is a
    generalization of <a href="available.html">Available</a> and 
    <a href="uptodate.html">Uptodate</a>.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="copy.html">Copy</a></td>
    <td><p>Copies a file or Fileset to a new file or directory.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="copydir.html"><i>Copydir</i></a></td>
    <td><p><i>This task has been deprecated.  Use the Copy task instead.</i></p></td>
  </tr>

  <tr valign="top">
    <td><a href="copyfile.html"><i>Copyfile</i></a></td>
    <td><p><i>This task has been deprecated.  Use the Copy task instead.</i></p></td>
  </tr>

  <tr valign="top">
    <td><a href="cvs.html">Cvs</a></td>
    <td><p>Handles packages/modules retrieved from a 
<a href="http://www.cvshome.org/" target="_top">CVS</a> repository.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="cvspass.html">CVSPass</a></td>
    <td><p>Adds entries to a .cvspass file. Adding entries to this file has the same 
    affect as a cvs login command.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="delete.html">Delete</a></td>
    <td><p>Deletes either a single file, all files in a specified directory 
    and its sub-directories, or a set of files specified by one or more 
    <a href="../CoreTypes/fileset.html">FileSet</a>s.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="deltree.html"><i>Deltree</i></a></td>
    <td><p><i>This task has been deprecated.  Use the Delete task instead.</i></p></td>
  </tr>

  <tr valign="top">
    <td><a href="dependset.html">Dependset</a></td>
    <td><p>The dependset task compares a set of source files with a set of target
    files.  If any of the source files is more recent than any of
    the target files, all of the target files are removed. </p></td>
  </tr>

  <tr valign="top">
    <td><a href="ear.html">Ear</a></td>
    <td><p>An extension of the <a href="jar.html">Jar</a> task with special
    treatment for files that should end up in an Enterprise Application archive.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="echo.html">Echo</a></td>
    <td><p>Echoes a message to System.out or a file.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="exec.html">Exec</a></td>
    <td><p>Executes a system command. When the <i>os</i> attribute is specified, then
the command is only executed when Ant is run on one of the specified operating
systems.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="fail.html">Fail</a></td>
    <td><p>Exits the current build (just throwing a BuildException), optionally printing additional information.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="filter.html">Filter</a></td>
    <td><p>Sets a token filter for this project or read multiple token filter from
an input file and sets these as filters.
Token filters are used by all tasks that perform file copying operations
through the Project commodity methods.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="fixcrlf.html">FixCRLF</a></td>
    <td><p>Modifies a file to add or remove tabs, carriage returns, linefeeds, and
    EOF characters.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="genkey.html">GenKey</a></td>
    <td><p>Generates a key in keystore.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="get.html">Get</a></td>
    <td><p>Gets a file from a URL.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="gunzip.html">GUnzip</a></td>
    <td><p>Expands a GZip file.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="gzip.html">GZip</a></td>
    <td><p>GZips a file.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="jar.html">Jar</a></td>
    <td><p>Jars a set of files.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="java.html">Java</a></td>
    <td><p>Executes a Java class within the running (Ant) VM or forks another VM if
specified.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="javac.html">Javac</a></td>
    <td><p>Compiles a source tree within the running (Ant) VM.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="javadoc.html">Javadoc/<i>Javadoc2</i></a></td>
    <td><p>Generates code documentation using the javadoc tool.</p>
    <p><i>The Javadoc2 task is deprecated.  Use the Javadoc task 
    instead.</i></p></td>
  </tr>

  <tr valign="top">
    <td><a href="mail.html">Mail</a></td>
    <td><p>A task to send SMTP email.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="mkdir.html">Mkdir</a></td>
    <td><p>Creates a directory. Also non-existent parent directories are created, when
    necessary.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="move.html">Move</a></td>
    <td><p>Moves a file to a new file or directory, or sets of files to
    a new directory.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="parallel.html">Parallel</a></td>
    <td><p>Parallel is a container task - it can contain other Ant tasks. Each nested
    task within the parallel task will be executed in its own thread. </p>  </td>
  </tr>
  
  <tr valign="top">
    <td><a href="patch.html">Patch</a></td>
    <td><p>Applies a diff file to originals.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="pathconvert.html">PathConvert</a></td>
    <td><p>Converts a nested path, path reference, or fileset reference to the form usable on a
    specified platform and stores the result in a given property.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="property.html">Property</a></td>
    <td><p>Sets a property (by name and value), or set of properties (from file or
    resource) in the project.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="recorder.html">Record</a></td>
    <td><p>A recorder is a listener to the current build process that records the
    output to a file.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="rename.html"><i>Rename</i></a></td>
    <td><p><i>This task has been deprecated.  Use the Move task instead.</i></p></td>
  </tr>

  <tr valign="top">
    <td><a href="replace.html">Replace</a></td>
    <td><p>Replace is a directory based task for replacing the occurrence of a given string with another string 
    in selected file.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="rmic.html">Rmic</a></td>
    <td><p>Runs the rmic compiler for a certain class.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="sequential.html">Sequential</a></td>
    <td><p>Sequential is a container task - it can contain other Ant tasks. The nested 
    tasks are simply executed in sequence. Sequential's primary use is to support 
    the sequential execution of a subset of tasks within the 
    <a href="parallel.html">parallel</a> task</p></td>
  </tr>
  
  <tr valign="top">
    <td><a href="signjar.html">SignJar</a></td>
    <td><p>Signs a jar or zip file with the javasign command line tool.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="sleep.html">Sleep</a></td>
    <td><p> A task for sleeping a short period of time, useful when a build or 
    deployment process requires an interval between tasks.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="sql.html">Sql</a></td>
    <td><p>Executes a series of SQL statements via JDBC to a database. Statements 
    can either be read in from a text file using the <i>src</i> attribute or from 
    between the enclosing SQL tags.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="style.html">Style</a></td>
    <td><p>Process a set of documents via XSLT.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="tar.html">Tar</a></td>
    <td><p>Creates a tar archive.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="taskdef.html">Taskdef</a></td>
    <td><p>Adds a task definition to the current project, such that this new task can be
    used in the current project.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="touch.html">Touch</a></td>
    <td><p>Changes the modification time of a file and possibly creates it at
    the same time.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="tstamp.html">TStamp</a></td>
    <td><p>Sets the <code>DSTAMP</code>, <code>TSTAMP</code>, and 
    <code>TODAY</code> properties in the current project based on 
    the current date and time.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="typedef.html">Typedef</a></td>
    <td><p>Adds a data type definition to the current project, such that this
    new type can be used in the current project.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="unzip.html">Unjar</a></td>
    <td><p>Unzips a jarfile.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="untar.html">Untar</a></td>
    <td><p>Untars a tarfile.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="unzip.html">Unwar</a></td>
    <td><p>Unzips a warfile.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="unzip.html">Unzip</a></td>
    <td><p>Unzips a zipfile.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="uptodate.html">Uptodate</a></td>
    <td><p>Sets a property if a target files are more up to date than a set of
    Source files.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="war.html">War</a></td>
    <td><p>An extension of the <a href="jar.html">Jar</a> task with special
    treatment for files that should end up in the <code>WEB-INF/lib</code>, 
    <code>WEB-INF/classes</code> or <code>WEB-INF</code> directories of the 
    Web Application Archive.</p></td>
  </tr>

  <tr valign="top">
    <td><a href="zip.html">Zip</a></td>
    <td><p>Creates a zipfile.</p></td>
  </tr>
</table>

<hr>
<p align="center">Copyright &copy; 2000,2001 Apache Software Foundation. All rights
Reserved.</p>

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