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e967d77e02
PR: 5020 Reported By: jesse.glick@netbeans.com (Jesse Glick) git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271131 13f79535-47bb-0310-9956-ffa450edef68
118 lines
3.1 KiB
HTML
118 lines
3.1 KiB
HTML
<html>
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<head>
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<title>LoadFile Task</title>
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</head>
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<body>
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<h2><a name="loadfile">LoadFile</a></h2>
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<h3>Description</h3>
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<p>
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Load a text file into a single property. Unless an encoding is specified,
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the encoding of the current locale is used. There is no explicit limit
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upon the size of the file which can be loaded, but loading very large
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files is not something anyone has yet explored. Because the file is
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converted to text
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</p>
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<h3>Parameters</h3>
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<table border="1" cellpadding="2" cellspacing="0">
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<tr>
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<td valign="top"><b>Attribute</b></td>
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<td valign="top"><b>Description</b></td>
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<td align="center" valign="top"><b>Required</b></td>
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</tr>
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<tr>
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<td valign="top">srcFile</td>
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<td valign="top">source file</td>
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<td valign="top" align="center">Yes</td>
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</tr>
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<tr>
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<td valign="top">property</td>
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<td valign="top">property to save to</td>
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<td valign="top" align="center">Yes</td>
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</tr>
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<tr>
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<td valign="top">encoding</td>
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<td valign="top">encoding to use when loading the file</td>
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<td align="center" valign="top">No</td>
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</tr>
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<tr>
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<td valign="top">failonerror</td>
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<td valign="top">Whether to halt the build on failure</td>
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<td align="center" valign="top">No, default "true"</td>
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</tr>
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<tr>
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<td valign="top">evaluateProperties</td>
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<td valign="top">flag to enable property evalation in the file</td>
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<td align="center" valign="top">No, default "false"</td>
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</tr>
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<tr>
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<td valign="top">makeOneLine</td>
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<td valign="top">flag to strip out newlines (but not spaces or
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tabs) from the file</td>
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<td align="center" valign="top">No, default "false"</td>
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</tr>
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</table>
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<p>
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The <tt>makeOneLine</tt> parameter enables you to use a file as an
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input to task parameters which expect single line input. It flattens
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the file by removing all carriage return and line feed characters,
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so that the file
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<pre>a
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b
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c
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</pre>would become "abc": you need spaces or
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commas at the end/start of line to stop alphanumeric characters
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being merged together.
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<h3>Examples</h3>
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<pre> <loadfile property="message"
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srcFile="message.txt" / >
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</pre>
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Load file message.txt into property "message"; an <tt><echo></tt>
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can print this.
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<pre> <loadfile property="encoded-file"
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srcFile="loadfile.xml"
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encoding="ISO-8859-1" / >
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</pre>
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Load a file using the latin-1 encoding
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<pre> <loadfile
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property="optional.value"
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srcFile="optional.txt"
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failonerror="false" />
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</pre>
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Load a file, don't fail if it is missing (a message is printed, though)
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<pre> <loadfile
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property="mail.recipients"
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srcFile="recipientlist.txt"
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makeOneLine="true" />
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</pre>
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load a property which can be used as a parameter for another task (in this case mail),
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merging lines to ensure this happens.
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<pre> <loadfile
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property="system.configuration.xml"
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srcFile="configuration.xml"
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evaluateProperties="true" />
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</pre>
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load an XML file into a property, expanding all properties declared
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in the file in the process.
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<hr>
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<p align="center">Copyright © 2001-2002 Apache Software Foundation. All rights
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Reserved.</p>
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</body>
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</html>
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