Last DIF Revision Date


Definition

The <Last_DIF_Revision_Date> specifies the date the metadata record was created.  The <Last_DIF_Revision_Date> is automatically populated by the authoring tools with the date the metadata entry was created or modified, however, the author may change the date.

 
Syntax

<Last_DIF_Revision_Date>yyyy-mm-dd</Last_DIF_Revision_Date >

Year, month and day must follow the International Standard ISO 8601 in the form: yyyy-mm-dd, where:


yyyy= the 4 digit year
mm= the 2-digit month (01 – 12)
dd = the 2-digit day (01-31)

 
Usage
  • The <Last_DIF_Revision_Date> is recommended and may not be repeated.
 
Example
<Last_DIF_Revision_Date>2006-11-01</Last_DIF_Revision_Date>

 

This document should be cited as:
Directory Interchange Format (DIF) Writer's Guide, 2014.
Global Change Master Directory.
National Aeronautics and Space Administration.
[http://gcmd.nasa.gov/add/difguide/].

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