The CDF_ATTCREATE function creates a new attribute in the specified Common Data Format file. If successful, the attribute ID is returned.
Examples
id = CDF_OPEN('test')
xx = CDF_ATTCREATE(id, 'Attribute-1', /GLOBAL_SCOPE)
CDF_ATTRENAME, id, 'Attribute-1', 'My Favorite Attribute'
PRINT, CDF_ATTNUM(id, 'My Favorite Attribute')
CDF_CLOSE, id
Syntax
Result = CDF_ATTCREATE( Id, Attribute_Name [, /GLOBAL_SCOPE] [, /VARIABLE_SCOPE] )
Return Value
Returns the attribute ID.
Arguments
Id
The CDF ID of the file for which a new attribute is created, returned from a previous call to CDF_OPEN or CDF_CREATE.
Attribute_Name
A string containing the name of the attribute to be created.
Keywords
GLOBAL_SCOPE
Set this keyword to make the scope of the attribute global. This is the default.
VARIABLE_SCOPE
Set this keyword to indicate that the attribute’s scope is per variable.
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