Text Data Files (UPDATE command)
You can update data from text data files -- or from any data format that IBM® SPSS® Statistics can read -- using defined datasets.
Example
DATA LIST FILE='/data/update.txt'
ID 1-3 NAME 5-17 (A) ADDRESS 19-28 (A) ZIP 30-34.
SORT CASES BY ID.
DATASET NAME updatefile.
GET FILE='/maillist.sav'.
SORT CASES BY ID.
DATASET NAME=primaryfile.
UPDATE FILE='primaryfile'
/RENAME=(STREET=ADDRESS)
/FILE='updatefile'
/BY=ID /MAP.