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node-red/nodes/core/storage/50-file.html

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<script type="text/x-red" data-template-name="file">
<div class="form-row node-input-filename">
<label for="node-input-filename"><i class="fa fa-file"></i> <span data-i18n="file.label.filename"></span></label>
<input id="node-input-filename" type="text">
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</div>
<div class="form-row">
<label for="node-input-overwriteFile"><i class="fa fa-random"></i> <span data-i18n="file.label.action"></span></label>
<select type="text" id="node-input-overwriteFile" style="display: inline-block; width: 250px; vertical-align: top;">
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<option value="false" data-i18n="file.action.append"></option>
<option value="true" data-i18n="file.action.overwrite"></option>
<option value="delete" data-i18n="file.action.delete"></option>
</select>
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</div>
<div class="form-row" id="node-appline">
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<label>&nbsp;</label>
<input type="checkbox" id="node-input-appendNewline" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-input-appendNewline" style="width: 70%;"><span data-i18n="file.label.addnewline"></span></label>
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</div>
<div class="form-row">
<label>&nbsp;</label>
<input type="checkbox" id="node-input-createDir" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-input-createDir" style="width: 70%;"><span data-i18n="file.label.createdir"></span></label>
</div>
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<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
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</div>
<div class="form-tips"><span data-i18n="file.tip"></span></div>
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</script>
<script type="text/x-red" data-help-name="file">
<p>Writes <code>msg.payload</code> to the file specified, for example to create a log.</p>
<h3>Inputs</h3>
<dl class="message-properties">
<dt class="optional">filename <span class="property-type">string</span></dt>
<dd>If not configured in the node the filename can be set using the filename property.</dd>
</dl>
<h3>Details</h3>
<p>By default a newline is added to every message. This can be turned off if required, for example,
to allow binary files to be written.</p>
<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>
<p>This node can also be configured to delete a file if required.</p>
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</script>
<script type="text/x-red" data-template-name="file in">
<div class="form-row">
<label for="node-input-filename"><i class="fa fa-file"></i> <span data-i18n="file.label.filename"></span></label>
<input id="node-input-filename" type="text" data-i18n="[placeholder]file.label.filename">
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</div>
<div class="form-row">
<label for="node-input-format"><i class="fa fa-sign-out"></i> <span data-i18n="file.label.outputas"></span></label>
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<select id="node-input-format">
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<option value="utf8" data-i18n="file.output.utf8"></option>
<option value="" data-i18n="file.output.buffer"></option>
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</select>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
</div>
<div class="form-tips"><span data-i18n="file.tip"></span></div>
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</script>
<script type="text/x-red" data-help-name="file in">
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<p>Reads the specified file and sends the content as <code>msg.payload</code>,
and the filename as <code>msg.filename</code>.</p>
<h3>Inputs</h3>
<dl class="message-properties">
<dt class="optional">filename <span class="property-type">string</span></dt>
<dd>if not set in the node configuration the filename to read can be passed in.</dd>
</dl>
<h3>Outputs</h3>
<dl class="message-properties">
<dt>payload <span class="property-type">string | buffer</span></dt>
<dd>the contents of the file as either a string or binary buffer.</dd>
<dt>filename <span class="property-type">string</span></dt>
<dd>the filename of the read file.</dd>
</dl>
<h3>Details</h3>
<p>It is advisable to fully specify the required file path and name.
On Windows you may need to use \\ to specify the path separator.</p>
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</script>
<script type="text/javascript">
RED.nodes.registerType('file',{
category: 'storage-output',
defaults: {
name: {value:""},
filename: {value:""},
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appendNewline: {value:true},
createDir: {value:false},
overwriteFile: {value:"false"}
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},
color:"BurlyWood",
inputs:1,
outputs:0,
icon: "file.png",
align: "right",
label: function() {
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if (this.overwriteFile === "delete") {
return this.name||this._("file.label.deletelabel",{file:this.filename});
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} else {
return this.name||this.filename||this._("file.label.filelabel");
}
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},
labelStyle: function() {
return this.name?"node_label_italic":"";
},
oneditprepare: function() {
$("#node-input-overwriteFile").on("change",function() {
if (this.value === "delete") { $("#node-appline").hide(); }
else { $("#node-appline").show(); }
});
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}
});
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RED.nodes.registerType('file in',{
category: 'storage-input',
defaults: {
name: {value:""},
filename: {value:""},
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format: {value:"utf8"},
},
color:"BurlyWood",
inputs:1,
outputs:1,
outputLabels: function(i) {
return (this.format === "utf8") ? "UTF8 string" : "binary buffer";
},
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icon: "file.png",
label: function() {
return this.name||this.filename||this._("file.label.filelabel");
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},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
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</script>