* DATE: JULY 12, 1999.
* NAME: YIH-JIN YOUNG.
* PURPOSE:  THIS PROGRAM CONCATENATEA TH70STD.POR, TH80STD.POR,. 
*                        INTO ONE SINGLE DATASET..
* PROCEDURES: 1. READ IN THE PORTABLE FILES.
*             2. SAVE PORTABLE FILES AS SPSS SYSTEM FILES.
*             3. ADD ALL SYSTEM FILES.
*	      4. EXPORT OUTFILES.
* DATA SOURCE: TH70STD.POR, TH80STD.POR.  
*              (SEE REFERENCE GUIDE FOR DETAILS).
* OUTPUT FILE: T78CAT.POR.

* IMPORT PORTABLE FILE AND SAVE IT AS SYSTEM FILE.
IMPORT FILE = 'y:\thailand\data\census70\TH70STD.POR'.
SAVE OUTFILE= 'y:\thailand\data\census70\TH70STD.sav'.
EXECUTE.

* IMPORT PORTABLE FILE AND SAVE IT AS SYSTEM FILE.
IMPORT FILE = 'y:\thailand\data\census80\TH80STD.POR'.
SAVE OUTFILE= 'y:\thailand\data\census80\TH80STD.sav'.
EXECUTE.

GET FILE= 'y:\thailand\data\census70\TH70STD.sav'.

* ADD 1980 SYSTEM FILES AND SAVE IT AS PORTABLE FILE *.
ADD FILES FILE=*/ FILE='y:\thailand\data\census80\TH80STD.sav'.
EXPORT OUTFILE='y:\thailand\data\merged\T78CAT.POR'.
EXECUTE.