How do I... Embed automatically an attached file?

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An easy way to share files, is to attach them to pages and then embed them directly into the wiki page itself. The benefit is that it only requires someone to upload a new version of the file to automatically update the page as well.

The following script checks if an attachment exists, and if does, embeds it using a syntax highlter.

{{ 
    var files = map.values(page.files); 
    if(#files > 0) { 
        syntax.xml(web.text(files[0].uri))
    } else {
        "no file(s) attached"
    }
}}

Sample output:

<extension>
  <title>MindTouch iFrame Extension</title>
  <copyright>Copyright (c) 2008 MindTouch, Inc.</copyright>
  <uri.help>http://wiki.developer.mindtouch.com/MindTouch_Deki/Extensions/iFrame</uri.help>
  <label>iFrame</label>
  <description>This extension contains a function for embedding &lt;iframe&gt; elements.</description>

  <function>
    <name>iframe</name>
    <description>Embed an iframe element.</description>
    <param name="uri" type="uri">The iframe URI.</param>
    <param name="width" type="num" optional="true">The iframe width. (default: 425)</param>
    <param name="height" type="num" optional="true">The iframe height. (default: 350)</param>
    <param name="scrolling" type="bool" optional="true">Allow scrollbars inside the iframe. (default: no)</param>
    <param name="frameborder" type="num" optional="true">Frame border thickness on the iframe. (default: 0)</param>
    <return>
      <html xmlns:eval="http://mindtouch.com/2007/dekiscript">
        <body>
          <iframe src="{{args.uri}}" width="{{web.size(args.width ?? 425)}}" height="{{web.size(args.height ?? 350)}}" marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="{{args.frameborder ?? 0}}" scrolling="{{args.scrolling ? 'yes' : 'no'}}"/>
        </body>
      </html>
    </return>
  </function>
</extension>

Retrieved from "http://wiki.developer.mindtouch.com/index.php?title=DekiScript/FAQ/How_do_I..._Embed_automatically_an_attached_file%3F"

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File			Size	Date	Attached by
		iframe.xml sample XML file	1325 bytes	15:51, 17 Aug 2008	SteveB	Actions

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How do I... Embed automatically an attached file?

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