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Creating a macro in SAS to read a dataset and match one field to get another

Posted on 2012-03-21
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Last Modified: 2012-03-22
I would like to code a SAS program that simply reads a dataset and matches Field_A to A_Field on the other dataset.

The complexity comes in that I would like to be able to read different files that may have different names for Field_A.

Is there a way to do this so that same program can be used for different files>
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Question by:morinia
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2 Comments
 
LVL 14

Accepted Solution

by:
Aloysius Low earned 2000 total points
ID: 37751332
i would suggest using call execute function to dynamically generate the required sas code on the fly:

data _null_;
  set [input with Field_A];
  call execute("proc sql;");
  call execute("  create table [output] as");
  call execute("    select * ");
  call execute("    from [input with A_Field]");
  call execute("    where [input with A_Field].A_Field = '" || trim(left(Field_A)) || "';");
  call execute("quit;");
run;
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LVL 14

Assisted Solution

by:Aloysius Low
Aloysius Low earned 2000 total points
ID: 37751344
the above solution is useful if there are multiple records in the dataset for Field_A.

if there's only 1 record, you could do:
data _null_;
  set [input with Field_A];
  call symput("Field_A", Field_A);
run;

proc sql;
  create table [output] as
    select *
    from [input with A_Field]
    where [input with A_Field].A_Field = "&Field_A";
quit;
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