The GRIB_INDEX_SELECT procedure selects the message subset where Key equals Value.
Examples
See GRIB_GET_VALUES for a general example using the GRIB routines.
Syntax
GRIB_INDEX_SELECT(Gindex, Key, Value, [, /DOUBLE] [, /LONG] [, /STRING])
Arguments
Gindex
A GRIB index created from a file.
Key
A case-sensitive string containing the key name to be searched.
Value
The value of the key to select.
Keywords
DOUBLE
Set this keyword if Key is explicitly defined as DOUBLE or if the Key native type is DOUBLE.
LONG
Set this keyword if Key is explicitly defined as LONG or if the Key native type is LONG.
STRING
Set this keyword if Key is explicitly defined as STRING or if the Key native type is STRING.
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