25 lines
1.6 KiB
HTML
25 lines
1.6 KiB
HTML
<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-help-name="watch">
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<p>监视目录或文件中的更改。</p>
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<p>您可以输入用逗号分隔的目录和/或文件的列表。您需要在所有带有空格的地方加上引号“...”。</p>
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<p>在Windows上，必须在任何目录名称中使用双反斜杠<code>\\</code>。</p>
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<p>实际更改的文件的完整文件名将放入<code>msg.payload</code>和<code>msg.filename</code>中，而监视列表的字符串化版本将在<code>msg.topic</code>中返回。</p>
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<p><code>msg.file</code>仅包含已更改文件的短文件名。<code>msg.type</code>更改了事物的类型，通常是<i>file</i>或<i>directory</i>，而<code>msg.size</code>保留了文件的大小（以字节为单位）。</p>
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<p>当然，在Linux中，<i>everything</i>也是一个文件，因此可以监视</p>
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<p><b>注意：</b>该目录或文件必须存在才能被监视。如果文件或目录被删除，即使重新创建它也可能不再被监视。</p>
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</script>
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