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| 2 |
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| 3 | <head>
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| 4 | <meta http-equiv="Content-Language" content="en-us">
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| 5 | <title>Touch Task</title>
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| 6 | <link rel="stylesheet" type="text/css" href="../stylesheets/antmanual.css">
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| 7 | </head>
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| 8 |
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| 9 | <body>
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| 10 |
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| 11 | <h2><a name="touch">Touch</a></h2>
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| 12 | <h3>Description</h3>
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| 13 | <p>Changes the modification time of a file and possibly creates it at
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| 14 | the same time. In addition to working with a single file, this Task
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| 15 | can also work a <a href="../CoreTypes/fileset.html">Fileset</a> (which
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| 16 | also includes directories)
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| 17 | or a <a href="../CoreTypes/filelist.html">Filelist</a> (since Ant 1.6).</p>
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| 18 | <h3>Parameters</h3>
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| 19 | <table border="1" cellpadding="2" cellspacing="0">
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| 20 | <tr>
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| 21 | <td valign="top"><b>Attribute</b></td>
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| 22 | <td valign="top"><b>Description</b></td>
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| 23 | <td align="center" valign="top"><b>Required</b></td>
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| 24 | </tr>
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| 25 | <tr>
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| 26 | <td valign="top">file</td>
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| 27 | <td valign="top">The name of the file.</td>
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| 28 | <td valign="top" align="center">Unless a nested fileset element
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| 29 | or a nested filelist element has been specified.</td>
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| 30 | </tr>
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| 31 | <tr>
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| 32 | <td valign="top">millis</td>
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| 33 | <td valign="top">Specifies the new modification time of the file
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| 34 | in milliseconds since midnight Jan 1 1970.</td>
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| 35 | <td valign="center" align="center" rowspan="2">No--datetime takes
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| 36 | precedence, however if both are omitted the current time is assumed.</td>
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| 37 | </tr>
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| 38 | <tr>
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| 39 | <td valign="top">datetime</td>
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| 40 | <td valign="top">Specifies the new modification time of the file.</td>
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| 41 | </tr>
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| 42 | <tr>
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| 43 | <td valign="top">pattern</td>
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| 44 | <td valign="top">SimpleDateFormat-compatible pattern string.
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| 45 | Defaults to MM/DD/YYYY HH:MM AM_or_PM or MM/DD/YYYY HH:MM:SS AM_or_PM.
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| 46 | <b>Since Ant 1.6.3</b></td>
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| 47 | <td valign="top" align="center">No</td>
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| 48 | </tr>
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| 49 | <tr>
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| 50 | <td valign="top">mkdirs</td>
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| 51 | <td valign="top">Whether to create nonexistent parent
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| 52 | directories when touching new files. <b>Since Ant 1.6.3</b></td>
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| 53 | <td valign="top" align="center">No, default <i>false</i>.</td>
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| 54 | </tr>
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| 55 | <tr>
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| 56 | <td valign="top">verbose</td>
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| 57 | <td valign="top">Whether to log the creation of new files.
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| 58 | <b>Since Ant 1.6.3</b></td>
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| 59 | <td valign="top" align="center">No, default <i>true</i>.</td>
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| 60 | </tr>
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| 61 | </table>
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| 62 | <h3>Parameters specified as nested elements</h3>
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| 63 | <h4>fileset</h4>
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| 64 | <p>You can use any number of nested <code><fileset></code>
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| 65 | elements to define the files for this task and refer to
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| 66 | <code><fileset></code>s defined elsewhere.</p>
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| 67 | <h4>filelist</h4>
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| 68 | <p><em>Since Ant 1.6</em></p>
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| 69 | <p>You can use any number of nested <code><filelist></code>
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| 70 | elements to define the files for this task and refer to
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| 71 | <code><filelist></code>s defined elsewhere.</p>
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| 72 |
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| 73 | <h4>mapper</h4>
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| 74 | <p><em>Since Ant 1.6.3,</em> a nested <a href="../CoreTypes/mapper.html">
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| 75 | mapper</a> can be specified. Files specified via nested
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| 76 | <code>fileset</code>s, <code>filelist</code>s, or the <code>file</code>
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| 77 | attribute are mapped using the specified mapper. For each file mapped,
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| 78 | the resulting files are touched. If the original file exists its
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| 79 | timestamp will be used. Otherwise the task settings (<code>millis</code>,
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| 80 | <code>datetime</code>) take effect.</p>
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| 81 | <h3>Examples</h3>
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| 82 | <pre> <touch file="myfile"/></pre>
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| 83 | <p>creates <code>myfile</code> if it doesn't exist and changes the
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| 84 | modification time to the current time.</p>
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| 85 | <pre> <touch file="myfile" datetime="06/28/2000 2:02 pm"/></pre>
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| 86 | <p>creates <code>myfile</code> if it doesn't exist and changes the
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| 87 | modification time to Jun, 28 2000 2:02 pm (14:02 for those used to 24
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| 88 | hour times).</p>
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| 89 | <pre> <touch datetime="09/10/1974 4:30 pm">
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| 90 | <fileset dir="src_dir"/>
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| 91 | </touch></pre>
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| 92 | <p>changes the modification time to Oct, 09 1974 4:30 pm of all files and directories
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| 93 | found in <code>src_dir</code>. </p>
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| 94 | <pre> <touch file="myfile" datetime="06/28/2000 2:02:17 pm"/></pre>
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| 95 | <p>creates <code>myfile</code> if it doesn't exist and changes the
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| 96 | modification time to Jun, 28 2000 2:02:17 pm (14:02:17 for those used to 24
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| 97 | hour times), if the filesystem allows a precision of one second - a
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| 98 | time close to it otherwise.</p>
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| 99 | <pre> <touch file="foo">
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| 100 | <mapper type="glob" from="foo" to="bar" />
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| 101 | </touch>
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| 102 | </pre>
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| 103 | <p>creates <code>bar</code> if it doesn't exist and changes the
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| 104 | modification time to that of <code>foo</code>.</p>
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| 105 | <hr>
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| 106 | <p align="center">Copyright © 2000-2001,2003-2005 The Apache Software Foundation. All rights
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| 107 | Reserved.</p>
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| 108 |
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| 109 | </body>
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| 110 | </html>
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