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_attrib.sas
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_attrib.sas
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%put NOTE: You have called the macro _ATTRIB, 2001-05-31.;
%put NOTE: Copyright (c) 2001 Rodney Sparapani;
%put;
/*
Author: Rodney Sparapani <[email protected]>
Created: 2001-00-00
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.
*/
%macro _attrib(data=&syslast, var=, format=1, label=1, length=1);
%local i j count name var0 varfmt varlabel varlen;
%let var=%upcase(%_list(&var));
%let count=%_count(&var);
%do j=1 %to &count;
%local var&j;
%let var&j=%scan(&var, &j, %str( ));
%end;
%let data=%sysfunc(open(&data));
%do i=1 %to %sysfunc(attrn(&data, nvars));
%let j=1;
%let var0=;
%let name=%upcase(%sysfunc(varname(&data, &i)));
%if &count=0 %then %let var0=&name;
%else %do %until(%length(&var0) | &j>&count);
%if &name=&&var&j %then %let var0=&name;
%let j=%eval(&j+1);
%end;
%if %length(&var0) %then %do;
%if &format %then %do;
%let varfmt=%sysfunc(varfmt(&data, &i));
%if %length(&varfmt) %then %let varfmt=FORMAT=&varfmt;
%end;
%if &label %then %do;
%let varlabel=%sysfunc(varlabel(&data, &i));
%if %length(&varlabel) %then %let varlabel=LABEL="&varlabel";
%end;
%if &length %then %do;
%let varlen=%sysfunc(vartype(&data, &i));
%if &varlen=C %then %let varlen=$;
%else %let varlen=;
%let varlen=LENGTH=&varlen%sysfunc(varlen(&data, &i));
%end;
%if %length(&varfmt) | %length(&varlabel) | %length(&varlen) %then
&var0 &varfmt &varlabel &varlen;
%end;
%end;
%let i=%sysfunc(close(&data));
%mend _attrib;
%*VALIDATION TEST STREAM;
/* un-comment to re-validate
proc format;
value test
0='A'
1='B'
;
value $test
'0'='A'
'1'='B'
;
run;
data;
label x='Label of variable X';
format x best7. y $test. z;
z=.;
output;
run;
data;
*y='y';
attrib %_attrib(data=data1);
output;
run;
data;
*y='y';
attrib %_attrib(data=data1,var=y z w);
output;
run;
*/