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Date:         Mon, 23 Feb 2009 02:11:01 -0500
Reply-To:     Annie Lee <hummingbird10111@HOTMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Annie Lee <hummingbird10111@HOTMAIL.COM>
Subject:      merging three files with three key variables

I would like to merge three data files (mydata1, mydata2, mydata3) with three common key variables (id, ADM DIS) using proc sql. I would appreciate it if anyone would offer some help.


DATA mydata1; INFILE "C:\mydata1.txt" LRECL=30 missover; length grp $11.; INPUT ID $ ab $ cd $ ef $ ADM $ DIS $ gh $ ij kl $ mn ; run;

DATA mydata2; INFILE "C:\mydata2.txt" LRECL=30 missover; INPUT ID $ aaa bbb ccc ddd eee ADM $ DIS $; run;

DATA mydata3; INFILE "C:\mydata3.txt" LRECL=30 missover; INPUT ID $ abc def ADM $ DIS $; run;

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