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Add File In node
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<!--
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<!--
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Copyright 2013 IBM Corp.
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Copyright 2013, 2014 IBM Corp.
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Licensed under the Apache License, Version 2.0 (the "License");
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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 not use this file except in compliance with the License.
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@ -37,11 +37,29 @@
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<script type="text/x-red" data-help-name="file">
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<script type="text/x-red" data-help-name="file">
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<p>Writes <b>msg.payload</b> to the file specified, e.g. to create a log.</p>
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<p>Writes <b>msg.payload</b> to the file specified, e.g. to create a log.</p>
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<p>The filename can be overridden by the <code>.filename</code> property
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<p>The filename can be overridden by the <code>filename</code> property of the incoming message.</p>
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of the incoming message.</p>
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<p>A newline is added to every message. But this can be turned off if required, for example, to allow binary files to be written.</p>
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<p>A newline is added to every message. But this can be turned off if required, for example, to allow binary files to be written.</p>
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<p>The default behaviour is to append to the file. This can be changed to overwrite the file each time, for example if you want to output a "static" web page or report.</p>
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<p>The default behaviour is to append to the file. This can be changed to overwrite the file each time, for example if you want to output a "static" web page or report.</p>
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<p>If a <code>.delete</code> property exists then the file will be deleted instead.</p>
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<p>If a <code>delete</code> property exists then the file will be deleted instead.</p>
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</script>
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<script type="text/x-red" data-template-name="file in">
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<div class="form-row">
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<label for="node-input-filename"><i class="icon-file"></i> Filename</label>
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<input type="text" id="node-input-filename" placeholder="Filename">
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</div>
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<div class="form-row">
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<label>Output as</label>
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<select id="node-input-format">
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<option value="utf8">a utf8 string</option>
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<option value="">a Buffer</option>
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</select>
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</div>
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</script>
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<script type="text/x-red" data-help-name="file in">
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<p>Reads the specified file and sends the content as <b>msg.payload</b>.</p>
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<p>The filename can be overridden by the <code>filename</code> property of the incoming message.</p>
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</script>
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</script>
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<script type="text/javascript">
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<script type="text/javascript">
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@ -66,4 +84,23 @@
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}
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}
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});
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});
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RED.nodes.registerType('file in',{
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category: 'storage-input',
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defaults: {
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name: {value:""},
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filename: {value:""},
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format: {value:"utf8"},
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},
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color:"BurlyWood",
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inputs:1,
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outputs:1,
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icon: "file.png",
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label: function() {
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return this.name||this.filename;
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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</script>
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@ -1,5 +1,5 @@
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/**
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/**
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* Copyright 2013 IBM Corp.
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* Copyright 2013, 2014 IBM Corp.
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*
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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 not use this file except in compliance with the License.
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@ -60,3 +60,31 @@ function FileNode(n) {
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});
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});
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}
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}
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RED.nodes.registerType("file",FileNode);
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RED.nodes.registerType("file",FileNode);
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function FileInNode(n) {
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RED.nodes.createNode(this,n);
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this.filename = n.filename;
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this.format = n.format;
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var node = this;
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var options = {};
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if (this.format) {
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options['encoding'] = this.format;
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}
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this.on("input",function(msg) {
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var filename = msg.filename || this.filename;
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if (filename == "") {
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node.warn('No filename specified');
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} else {
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fs.readFile(filename,options,function(err,data) {
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if (err) {
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node.warn(err);
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} else {
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node.send({payload:data});
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}
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});
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}
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});
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}
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RED.nodes.registerType("file in",FileInNode);
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