* +-======-+ 
*  Copyright (c) 2003-2007 United States Government as represented by 
*  the Admistrator of the National Aeronautics and Space Administration.  
*  All Rights Reserved.
*  
*  THIS OPEN  SOURCE  AGREEMENT  ("AGREEMENT") DEFINES  THE  RIGHTS  OF USE,
*  REPRODUCTION,  DISTRIBUTION,  MODIFICATION AND REDISTRIBUTION OF CERTAIN 
*  COMPUTER SOFTWARE ORIGINALLY RELEASED BY THE UNITED STATES GOVERNMENT AS 
*  REPRESENTED BY THE GOVERNMENT AGENCY LISTED BELOW ("GOVERNMENT AGENCY").  
*  THE UNITED STATES GOVERNMENT, AS REPRESENTED BY GOVERNMENT AGENCY, IS AN 
*  INTENDED  THIRD-PARTY  BENEFICIARY  OF  ALL  SUBSEQUENT DISTRIBUTIONS OR 
*  REDISTRIBUTIONS  OF THE  SUBJECT  SOFTWARE.  ANYONE WHO USES, REPRODUCES, 
*  DISTRIBUTES, MODIFIES  OR REDISTRIBUTES THE SUBJECT SOFTWARE, AS DEFINED 
*  HEREIN, OR ANY PART THEREOF,  IS,  BY THAT ACTION, ACCEPTING IN FULL THE 
*  RESPONSIBILITIES AND OBLIGATIONS CONTAINED IN THIS AGREEMENT.
*  
*  Government Agency: National Aeronautics and Space Administration
*  Government Agency Original Software Designation: GSC-15354-1
*  Government Agency Original Software Title:  GEOS-5 GCM Modeling Software
*  User Registration Requested.  Please Visit http://opensource.gsfc.nasa.gov
*  Government Agency Point of Contact for Original Software:  
*  			Dale Hithon, SRA Assistant, (301) 286-2691
*  
* +-======-+ 
function getvar (args)

EXPORT = subwrd(args,1)
GC     = subwrd(args,2)
SOURCE = subwrd(args,3)

* Ensure UpperCase EXPORT and GC
* ------------------------------
'run uppercase 'EXPORT
                EXPORT = result
'run uppercase 'GC
                GC     = result

* Get Info from HISTORY.rc File
* -----------------------------
'run getenv "GEOSUTIL"'
             geosutil = result
'!./chckhist 'EXPORT' 'GC' 'SOURCE
expdsc = sublin( read(hist.txt),2 )
qname  = sublin( read(hist.txt),2 )
qfile  = sublin( read(hist.txt),2 )
scale  = sublin( read(hist.txt),2 )
format = sublin( read(hist.txt),2 )
base   = sublin( read(hist.txt),2 )
           rc = close(hist.txt)

if( qfile = "NULL" )
    say EXPORT' from 'GC' not found in HISTORY.rc!'
    return 'NULL NULL 1 NULL NULL NULL'
endif

'getfile 'qfile
           file = result

* Open New Experiment Dataset
* ---------------------------
say 'Opening: 'qfile
say '   Desc: 'expdsc
say '         '

if( file   = "NULL" )
if( format = "flat" ) ; '   open 'qfile ; endif
if( format = "CFIO" ) ; 'xdfopen 'qfile ; endif
if( format = "HDF"  ) ; 'sdfopen 'qfile ; endif


* Set Dimension Environment
* -------------------------
'getinfo numfiles'
            file = result
endif

return qname' 'file' 'scale' 'expdsc' 'base