I think this is what you want:
data VIEW;
set TEST;
new_dt = A_EXP_DT;
if A_EXP_DT = '99999999' then new_dt = '99991231';
RUN;
How about
data VIEW;
set TEST;
new_dt = A_EXP_DT;
if A_EXP_DT = '99999999' then new_dt = '99991231';
RUN;
exactly what i want .thank you a lot
This may help
data VIEW;
set TEST;
A_EXP_DT =new_dt ;
if A_EXP_DT = '99999999' then new_dt = '99991231';
RUN;
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