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	<title>DAP4: Native File Access Service - Revision history</title>
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	<updated>2026-08-14T05:22:08Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://docs.opendap.org/index.php?title=DAP4:_Native_File_Access_Service&amp;diff=7713&amp;oldid=prev</id>
		<title>Ndp: Created page with &quot;== Overview ==  This service provides  direct access to the data source file (or whatever else) that is creating the DAP dataset resource.  == Request ==  The Native File Access ...&quot;</title>
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		<updated>2012-03-29T19:45:38Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;== Overview ==  This service provides  direct access to the data source file (or whatever else) that is creating the DAP dataset resource.  == Request ==  The Native File Access ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Overview ==&lt;br /&gt;
&lt;br /&gt;
This service provides  direct access to the data source file (or whatever else) that is creating the DAP dataset resource.&lt;br /&gt;
&lt;br /&gt;
== Request ==&lt;br /&gt;
&lt;br /&gt;
The Native File Access service is invoked by appending the suffix &amp;lt;font size=&amp;quot;2&amp;quot;&amp;gt;&amp;lt;code&amp;gt;.file&amp;lt;/code&amp;gt;&amp;lt;/font&amp;gt; to the file part of the dataset&amp;#039;s referent (aka base) URL and then dereferencing the new URL.&lt;br /&gt;
&lt;br /&gt;
The request a query string (constraint expression) is not required, and if present it will be ignored.&lt;br /&gt;
&lt;br /&gt;
== Response ==&lt;br /&gt;
&lt;br /&gt;
Returns to the requesting client a copy of the data source file (or whatever else) that is creating the DAP dataset resource. &lt;br /&gt;
&lt;br /&gt;
== Errors ==&lt;br /&gt;
&lt;br /&gt;
[[DAP4: Responses#Error_Response | DAP4: Error Response.]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Development|Development]][[Category:DAP4|DAP4]]&lt;/div&gt;</summary>
		<author><name>Ndp</name></author>
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