Comparison with colons
data tq84_data_in;
input txt $3.;
datalines;
A
AB
ABC
D
DE
DEF
G
GH
GHI
run;
data tq84_data_out;
set tq84_data_in;
if txt = 'A' then A_eq_A = "txt = 'A'";
else A_eq_A = "";
if txt =: 'A' then A_eq_colon_A = "txt =: 'A'";
else A_eq_colon_A = "";
if txt =: 'AB' then A_eq_colon_AB = "txt =: 'AB'";
else A_eq_colon_AB = "";
if txt >=: 'AB' then A_gt_colon_AB = "txt >: 'AB'";
else A_gt_colon_AB = "";
if txt in ('AB', 'DE') then A_in_AB_DE = "txt in ('AB', 'DE')";
else A_in_AB_DE = "";
if txt in: ('AB', 'DE') then A_in_colon_AB_DE = "txt in: ('AB', 'DE')";
else A_in_colon_AB_DE = "";
run;