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31 lines
1.7 KiB
HTML
31 lines
1.7 KiB
HTML
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<!--
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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>Watches a directory or file for changes.</p>
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<p>You can enter a list of comma separated directories and/or files. You will
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need to put quotes "..." around any that have spaces in.</p>
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<p>On Windows you must use double back-slashes \\ in any directory names.</p>
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<p>The full filename of the file that actually changed is put into <code>msg.payload</code> and <code>msg.filename</code>,
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while a stringified version of the watch list is returned in <code>msg.topic</code>.</p>
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<p><code>msg.file</code> contains just the short filename of the file that changed.
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<code>msg.type</code> has the type of thing changed, usually <i>file</i> or <i>directory</i>,
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while <code>msg.size</code> holds the file size in bytes.</p>
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<p>Of course in Linux, <i>everything</i> is a file and thus can be watched...</p>
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<p><b>Note: </b>The directory or file must exist in order to be watched. If the file
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or directory gets deleted it may no longer be monitored even if it gets re-created.</p>
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</script>
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