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_dimport.sas
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_dimport.sas
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%put NOTE: You have called the macro _DIMPORT, 2010-02-08.;
%put NOTE: Copyright (c) 2010 Rodney Sparapani;
%put;
/*
Author: Rodney Sparapani <[email protected]>
Created: 2010-01-30
This file is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this file; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* _DIMPORT Documentation
Import an R "dump" data file into a SAS Dataset.
REQUIRED Parameters
INFILE= "list" file to read
OUT= SAS dataset created
RENAME= optional
TRANSPOSE=0 TRANSPOSE=1 is to transpose datasets
with 1 column into 1 row
VAR= defaults to reading the first variable
in the dump file; specify a list of
variables to read more than one
Common OPTIONAL Parameters
LOG= set to /dev/null to turn off .log
*/
%macro _dimport(infile=REQUIRED, out=REQUIRED, rename=, transpose=0, var=, log=);
%_require(&infile &out);
%let infile=%scan(&infile, 1, ''"");
%if %length(&log) %then %_printto(log=&log);
%local i j k;
proc format;
invalue na
'NA'=.n
;
run;
%let k=%_count(&var);
%do i=1 %to %_max(1, &k);
%local var&i row&i col&i data&i;
%if &k>1 %then %let data&i=%_scratch;
%else %let data&i=&out;
%let var&i=%scan(&var, &i, %str( ));
data _null_;
infile "&infile" dsd dlm='3d63284c2c60'x;
length var $ 32;
input @"`&&var&i" var;
%if %length(&&var&i)=0 %then call symput("var&i", trim(var));;
input @'.Dim' @;
do while(nmiss(col));
if nmiss(row) then input row @;
else input col @;
end;
call symput("row&i", trim(row));
call symput("col&i", trim(col));
stop;
run;
data &&data&i;
infile "&infile" dsd dlm='0d0a2c29'x;
drop i;
input @"`&&var&i.`" @'structure(c(' @;
%let var&i=%_translate(&&var&i, to=_, from=.);
informat &&var&i na.;
i=0;
do while(i<%eval(&&row&i*&&col&i));
input &&var&i @;
if &&var&i^=. then do;
if &&var&i=.n then &&var&i=.;
i=i+1;
output;
end;
end;
run;
%if &&col&i>1 | &transpose %then %do;
data &&data&i;
merge
%if &&col&i=1 %then %do j=1 %to &&row&i;
&&data&i(rename=(&&var&i=%unquote(&&var&i..&j)) firstobs=&j obs=&j)
%end;
%else %do j=1 %to &&col&i;
&&data&i(rename=(&&var&i=%unquote(&&var&i..&j)) firstobs=%eval(1+(&j-1)*&&row&i) obs=%eval(&j*&&row&i))
%end;
;
%if &k<2 %then rename &rename;;
run;
%end;
%end;
%if &k>1 %then %do;
data &out;
merge %do i=1 %to &k; &&data&i %end;;
rename &rename;
run;
%end;
%if %length(&log) %then %_printto;
%mend _dimport;
%*VALIDATION TEST STREAM;
/* un-comment to re-validate
*/