| <!-- |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| --> |
| <html> |
| |
| <head> |
| <meta http-equiv="Content-Language" content="en-us"> |
| <link rel="stylesheet" type="text/css" href="../stylesheets/style.css"> |
| <title>Length Task</title> |
| </head> |
| |
| <body> |
| |
| <h2>Length</h2> |
| <h3>Description</h3> |
| <p>Display or set a property containing length information for |
| a string, a file, or one or more nested |
| <a href="../Types/resources.html#collection">Resource Collection</a>s. |
| Can also be used as a condition. <b>Since Apache Ant 1.6.3</b></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">property</td> |
| <td valign="top">The property to set. If omitted |
| the results are written to the log. Ignored when |
| processing as a condition.</td> |
| <td valign="top" align="center">No</td> |
| </tr> |
| <tr> |
| <td valign="top">file</td> |
| <td valign="top">Single file whose length to report.</td> |
| <td valign="top" align="center" rowspan="3">One of these, |
| or one or more nested filesets</td> |
| </tr> |
| <tr> |
| <td valign="top">resource</td> |
| <td valign="top">Single resource whose length to report (using extended |
| <a href="../properties.html#propertyHelper">properties handling</a>). |
| <em>Since Ant 1.8.1</em> |
| </td> |
| </tr> |
| <tr> |
| <td valign="top">string</td> |
| <td valign="top">The string whose length to report.</td> |
| </tr> |
| <tr> |
| <td valign="top">mode</td> |
| <td valign="top">File length mode; when "all" the resulting |
| value is the sum of all included resources' lengths; when "each" |
| the task outputs the absolute path and length of each included resource, |
| one per line. Ignored when processing as a condition.</td> |
| <td valign="top" align="center">No; default is "all"</td> |
| </tr> |
| <tr> |
| <td valign="top">trim</td> |
| <td valign="top">Whether to trim when operating on a string. Default <i>false</i>.</td> |
| <td valign="top" align="center">No; only valid when string is set</td> |
| </tr> |
| <tr> |
| <td valign="top">length</td> |
| <td valign="top">Comparison length for processing as a condition.</td> |
| <td valign="top" align="center">Yes, in condition mode</td> |
| </tr> |
| <tr> |
| <td valign="top">when</td> |
| <td valign="top">Comparison type: "equal", "eq", "greater", "gt", "less", |
| "lt", "ge" (greater or equal), "ne" (not equal), "le" (less or equal) |
| for use when operating as a condition.</td> |
| <td valign="top" align="center">No; default is "equal"</td> |
| </tr> |
| </table> |
| |
| <h3>Parameters specified as nested elements</h3> |
| |
| <h4>Resource Collections</h4> |
| <p>You can include resources via nested |
| <a href="../Types/resources.html#collection">Resource Collection</a>s.</p> |
| |
| <h3>Examples</h3> |
| |
| <pre><length string="foo" property="length.foo" /> |
| </pre> |
| <p>Stores the length of the string "foo" in the property named |
| <i>length.foo</i>.</p> |
| |
| <pre><length file="bar" property="length.bar" /> |
| </pre> |
| <p>Stores the length of file "bar" in the property named |
| <i>length.bar</i>.</p> |
| |
| <pre> |
| <length property="length" mode="each"> |
| <fileset dir="." includes="foo,bar"/> |
| </length> |
| </pre> |
| <p>Writes the file paths of <i>foo</i> and <i>bar</i> and their length into |
| the property <i>length</i>.</p> |
| |
| <pre> |
| <length property="length" mode="all"> |
| <fileset dir="." includes="foo,bar"/> |
| </length> |
| </pre> |
| <p>Adds the length of <i>foo</i> and <i>bar</i> and stores the result in property <i>length</i>.</p> |
| |
| |
| </body> |
| </html> |
| |