repl Aa with Bb for EMPTY(Aa)
scan if Aa=" " and recn()<>1 skip-1 aa_1=Aa skip repl Aa with aa_1 endif endscan
USE 示范 mAa = Aa SKIP SCAN REST IF EMPTY(Aa) REPLACE Aa WITH mAa ELSE mAa = Aa ENDIF ENDSCAN GO TOP BROWSE