The CDF_ATTINQ procedure obtains information about a specified attribute in a Common Data Format file.
Examples
cdfid= CDF_OPEN('/cdrom/ozone.8.20.92')
CDF_ATTINQ, cdfid, 0, name, scope, maxentry, maxzentry
PRINT, name, scope, maxentry, maxzentry
Syntax
CDF_ATTINQ, Id, Attribute, Name, Scope, MaxEntry [, MaxZEntry]
Arguments
Id
The CDF ID of the file containing the desired attribute, returned from a previous call to CDF_OPEN or CDF_CREATE.
Attribute
A string containing either the name or number of the attribute to be inquired.
Name
A named variable in which the name of the attribute is returned.
Scope
A named variable in which a string, describing the scope of the attribute, is returned. This string will have one of the following values: “GLOBAL_SCOPE”, “VARIABLE_SCOPE”, “GLOBAL_SCOPE_ASSUMED”, or “VARIABLE_SCOPE_ASSUMED”.
MaxEntry
A named variable in which the maximum rVariable entry number for this attribute is returned.
MaxZEntry
A named variable in which the maximum zVariable entry number for this attribute is returned.
Keywords
None
Version History