Routines (alphabetical) > Routines: C > CDF Routines > CDF_LIB_INFO

# CDF_LIB_INFO

The CDF_LIB_INFO procedure returns information about the CDF Library being used by this version of IDL. Information about the version of CDF used to create a particular CDF file can be obtained through CDF_DOC.

## Examples

CDF_LIB_INFO, VERSION=V, RELEASE=R, COPYRIGHT=C, $

INCREMENT=I

PRINT, 'IDL ', !version.release, 'uses CDF Library ', $

V, R, I, FORMAT='(A,A,A,I0,".",I0,".",I0,A)'

PRINT, C

#### IDL Output

IDL 6.3 uses CDF Library 3.1.1

Common Data Format (CDF)

(C) Copyright 1990-2005 NASA/GSFC

Space Physics Data Facility

NASA/Goddard Space Flight Center

Greenbelt, Maryland 20771 USA

(Internet -- CDFSUPPORT@LISTSERV.GSFC.NASA.GOV)

## Syntax

CDF_LIB_INFO [, COPYRIGHT =variable] [, INCREMENT=variable] [, LEAPSEONDLASTUPDATED=variable] [, RELEASE=variable] [, SUBINCREMENT=variable] [, VERSION=variable]

## Arguments

None

## Keywords

### COPYRIGHT

A named variable in which the copyright notice of the CDF library that this version of IDL is using will be returned.

### INCREMENT

A named variable in which the incremental number of the CDF library that this version of IDL is using will be returned.

### LEAPSEONDLASTUPDATED

A named variable in which the date, in YYYYMMDD, of the last entry in the leap second table will be returned as a 32-bit integer. This date can be used to verify if a valid leap second table is being used either through internally or externally.

### RELEASE

A named variable in which the release number of the CDF library that this version of IDL is using will be returned.

### SUBINCREMENT

A named variable in which the sub incremental character of the CDF library that this version of IDL is using will be returned.

### VERSION

A named variable in which the version number of the CDF library that this version of IDL is using will be returned.

## Version History

Pre 4.0 | Introduced
8.5 | Added LEAPSEONDLASTUPDATED keyword

## See Also

CDF_DOC