[19253] | 1 | <!--
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| 2 | Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | contributor license agreements. See the NOTICE file distributed with
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| 4 | this work for additional information regarding copyright ownership.
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| 5 | The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | (the "License"); you may not use this file except in compliance with
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| 7 | the License. You may obtain a copy of the License at
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| 8 |
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| 9 | http://www.apache.org/licenses/LICENSE-2.0
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| 10 |
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| 11 | Unless required by applicable law or agreed to in writing, software
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| 12 | distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | See the License for the specific language governing permissions and
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| 15 | limitations under the License.
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| 16 | -->
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| 17 | <html>
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| 18 |
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| 19 | <head>
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| 20 | <meta http-equiv="Content-Language" content="en-us">
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| 21 | <link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
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| 22 | <title>Concat</title>
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| 23 | </head>
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| 24 |
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| 25 | <body>
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| 26 |
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| 27 | <h2><a name="Concat">Concat</a></h2>
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| 28 |
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| 29 | <h3>Description</h3>
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| 30 |
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| 31 | <p>
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| 32 | Concatenates one or more
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| 33 | <a href="../CoreTypes/resources.html">resource</a>s
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| 34 | to a single file or to the console. The destination
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| 35 | file will be created if it does not exist.
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| 36 | </p>
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| 37 |
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| 38 | <p>
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| 39 | <a href="../CoreTypes/resources.html#collection">
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| 40 | Resource Collection</a>s are used to
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| 41 | select which resources are to be concatenated. There is no
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| 42 | singular attribute to specify a single resource to cat.
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| 43 | </p>
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| 44 |
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| 45 | <h3>Parameters</h3>
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| 46 |
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| 47 | <table border="1" cellpadding="2" cellspacing="0">
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| 48 |
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| 49 | <tr>
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| 50 | <td valign="top"><b>Attribute</b></td>
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| 51 | <td valign="top"><b>Description</b></td>
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| 52 | <td align="center" valign="top"><b>Required</b></td>
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| 53 | </tr>
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| 54 |
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| 55 | <tr>
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| 56 | <td valign="top">destfile</td>
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| 57 | <td valign="top">
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| 58 | The destination file for the concatenated stream.
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| 59 | If not specified the console will be used instead.
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| 60 | </td>
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| 61 | <td valign="top" align="center">
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| 62 | No
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| 63 | </td>
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| 64 | </tr>
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| 65 |
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| 66 | <tr>
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| 67 | <td valign="top">append</td>
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| 68 | <td valign="top">
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| 69 | Specifies whether or not the file specified by 'destfile'
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| 70 | should be appended. Defaults to "no".
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| 71 | </td>
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| 72 | <td valign="top" align="center">No</td>
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| 73 | </tr>
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| 74 | <tr>
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| 75 | <td valign="top">force</td>
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| 76 | <td valign="top">
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| 77 | Specifies whether or not the file specified by 'destfile'
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| 78 | should be written to even if it is newer than all source files.
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| 79 | <em>since Ant 1.6</em>.
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| 80 | Defaults to "yes".
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| 81 | </td>
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| 82 | <td valign="top" align="center">No</td>
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| 83 | </tr>
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| 84 |
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| 85 | <tr>
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| 86 | <td valign="top">encoding</td>
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| 87 | <td valign="top">
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| 88 | Specifies the encoding for the input files. Please see <a
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| 89 | href="http://java.sun.com/j2se/1.5.0/docs/guide/intl/encoding.doc.html">
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| 90 | http://java.sun.com/j2se/1.5.0/docs/guide/intl/encoding.doc.html</a>
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| 91 | for a list of possible values. Defaults to the platform's
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| 92 | default character encoding.
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| 93 | </td>
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| 94 | <td valign="top" align="center">No</td>
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| 95 | </tr>
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| 96 | <tr>
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| 97 | <td valign="top">outputencoding</td>
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| 98 | <td valign="top">
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| 99 | The encoding to use when writing the output file
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| 100 | <em>since Ant 1.6</em>.
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| 101 | Defaults to the value of the encoding attribute
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| 102 | if given or the default JVM encoding otherwise.
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| 103 | </td>
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| 104 | <td valign="top" align="center">No</td>
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| 105 | </tr>
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| 106 | <tr>
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| 107 | <td valign="top">fixlastline</td>
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| 108 | <td valign="top">
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| 109 | Specifies whether or not to check if
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| 110 | each file concatenated is terminated by
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| 111 | a new line. If this attribute is "yes"
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| 112 | a new line will be appended to the stream if
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| 113 | the file did not end in a new line.
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| 114 | <em>since Ant 1.6</em>.
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| 115 | Defaults to "no".
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| 116 | This attribute does not apply to embedded text.
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| 117 | </td>
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| 118 | <td valign="top" align="center">No</td>
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| 119 | </tr>
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| 120 | <tr>
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| 121 | <td valign="top">eol</td>
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| 122 | <td valign="top">
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| 123 | Specifies what the end of line character are
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| 124 | for use by the fixlastline attribute.
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| 125 | <em>since Ant 1.6</em>
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| 126 | Valid values for this property are:
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| 127 | <ul>
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| 128 | <li>cr: a single CR</li>
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| 129 | <li>lf: a single LF</li>
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| 130 | <li>crlf: the pair CRLF</li>
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| 131 | <li>mac: a single CR</li>
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| 132 | <li>unix: a single LF</li>
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| 133 | <li>dos: the pair CRLF</li>
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| 134 | </ul>
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| 135 | The default is platform dependent.
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| 136 | For Unix platforms, the default is "lf".
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| 137 | For DOS based systems (including Windows),
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| 138 | the default is "crlf".
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| 139 | For Mac OS, the default is "cr".
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| 140 | </td>
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| 141 | <td valign="top" align="center">No</td>
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| 142 | </tr>
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| 143 | <tr>
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| 144 | <td valign="top">binary</td>
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| 145 | <td valign="top">
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| 146 | <em>since Ant 1.6.2</em>
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| 147 | If this attribute is set to true, the task concatenates the files
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| 148 | in a byte by byte fashion. If this attribute is false, concat will
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| 149 | not normally work for binary files due to character encoding
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| 150 | issues.
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| 151 | If this option is set to true, the destfile attribute must be
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| 152 | set, and the task cannot used nested text.
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| 153 | Also the attributes encoding, outputencoding, filelastline
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| 154 | cannot be used.
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| 155 | The default is false.
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| 156 | </td>
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| 157 | <td valign="top" align="center">No</td>
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| 158 | </tr>
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| 159 |
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| 160 | </table>
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| 161 |
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| 162 | <h3>Parameters specified as nested elements</h3>
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| 163 | <h4>Resource Collection</h4>
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| 164 | <p><em>since Ant 1.7</em>.</p>
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| 165 |
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| 166 | <p>
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| 167 | Any of the various <a href="../CoreTypes/resources.html#collection">
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| 168 | Resource Collection</a> types can specify the resources to be
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| 169 | concatenated.
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| 170 | </p>
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| 171 |
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| 172 | <h4>filterchain</h4>
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| 173 | <p><em>since Ant 1.6</em>.</p>
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| 174 | <p>The concat task supports nested
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| 175 | <a href="../CoreTypes/filterchain.html"> FilterChain</a>s.</p>
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| 176 |
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| 177 | <h4>header, footer</h4>
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| 178 | <p><em>since Ant 1.6</em>.</p>
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| 179 | <p>Used to prepend or postpend text into the concatenated stream.</p>
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| 180 | <p>The text may be in-line or be in a file.</p>
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| 181 | <table border="1" cellpadding="2" cellspacing="0">
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| 182 | <tr>
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| 183 | <td valign="top"><b>Attribute</b></td>
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| 184 | <td valign="top"><b>Description</b></td>
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| 185 | <td align="center" valign="top"><b>Required</b></td>
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| 186 | </tr>
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| 187 | <tr>
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| 188 | <td valign="top">filtering</td>
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| 189 | <td valign="top">
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| 190 | Whether to filter the text provided by this sub element,
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| 191 | default is "yes".
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| 192 | <td valign="top" align = "center">No</td>
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| 193 | </tr>
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| 194 | <tr>
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| 195 | <td valign="top">file</td>
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| 196 | <td valign="top">A file to place at the head or tail of the
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| 197 | concatenated text.
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| 198 | <td valign="top" align = "center">No</td>
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| 199 | </tr>
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| 200 | <tr>
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| 201 | <td valign="top">trim</td>
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| 202 | <td valign="top">Whether to trim the value, default is "no"</td>
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| 203 | <td valign="top" align = "center">No</td>
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| 204 | </tr>
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| 205 | <tr>
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| 206 | <td valign="top">trimleading</td>
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| 207 | <td valign="top">
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| 208 | Whether to trim leading white space on each line, default is "no"
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| 209 | </td>
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| 210 | <td valign="top" align = "center">No</td>
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| 211 | </tr>
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| 212 | </table>
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| 213 |
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| 214 | <h3>Examples</h3>
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| 215 |
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| 216 | <p><b>Concatenate a string to a file:</b></p>
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| 217 |
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| 218 | <pre>
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| 219 | <concat destfile="README">Hello, World!</concat>
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| 220 | </pre>
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| 221 |
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| 222 | <p><b>Concatenate a series of files to the console:</b></p>
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| 223 |
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| 224 | <pre>
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| 225 | <concat>
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| 226 | <fileset dir="messages" includes="*important*"/>
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| 227 | </concat>
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| 228 | </pre>
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| 229 |
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| 230 | <p><b>Concatenate a single file, appending if the destination file exists:</b></p>
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| 231 |
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| 232 | <pre>
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| 233 | <concat destfile="NOTES" append="true">
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| 234 | <filelist dir="notes" files="note.txt"/>
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| 235 | </concat>
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| 236 | </pre>
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| 237 |
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| 238 | <p><b>Concatenate a series of files, update the destination
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| 239 | file only if is older that all the source files:</b></p>
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| 240 |
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| 241 | <pre>
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| 242 | <concat destfile="${docbook.dir}/all-sections.xml"
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| 243 | force="no">
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| 244 | <filelist dir="${docbook.dir}/sections"
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| 245 | files="introduction.xml,overview.xml"/>
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| 246 | <fileset dir="${docbook.dir}"
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| 247 | includes="sections/*.xml"
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| 248 | excludes="introduction.xml,overview.xml"/>
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| 249 | </concat>
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| 250 | </pre>
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| 251 |
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| 252 | <p><b>Concatenate a series of files, expanding ant properties</b></p>
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| 253 | <pre>
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| 254 | <concat destfile="${build.dir}/subs">
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| 255 | <path>
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| 256 | <fileset dir="${src.dir}" includes="*.xml"/>
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| 257 | <pathelement location="build.xml"/>
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| 258 | </path>
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| 259 | <filterchain>
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| 260 | <expandproperties/>
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| 261 | </filterchain>
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| 262 | </concat>
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| 263 | </pre>
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| 264 |
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| 265 | <p><b>Filter the lines containing project from build.xml and output
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| 266 | them to report.output, prepending with a header</b></p>
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| 267 | <pre>
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| 268 | <concat destfile="${build.dir}/report.output">
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| 269 | <header filtering="no" trimleading="yes">
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| 270 | Lines that contain project
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| 271 | ==========================
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| 272 | </header>
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| 273 | <path path="build.xml"/>
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| 274 | <filterchain>
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| 275 | <linecontains>
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| 276 | <contains value="project"/>
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| 277 | </linecontains>
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| 278 | </filterchain>
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| 279 | </concat>
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| 280 | </pre>
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| 281 |
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| 282 | <p><b>Concatenate a number of binary files.</b></p>
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| 283 | <pre>
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| 284 | <concat destfile="${build.dir}/dist.bin" binary="yes">
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| 285 | <fileset file="${src.dir}/scripts/dist.sh" />
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| 286 | <fileset file="${build.dir}/dist.tar.bz2" />
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| 287 | </concat>
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| 288 | </pre>
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| 289 |
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| 290 |
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| 291 |
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| 292 | </body>
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| 293 |
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| 294 | </html>
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