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feat: adding MATCH parameter to mp_searchcols.sas to enable fuzzy matching on columns. Closes #14

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Allan Bowe
2021-05-13 21:38:38 +03:00
parent 51ddd9c1e5
commit c6b65366b7
3 changed files with 121 additions and 8 deletions
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38
base/mp_searchcols.sas
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@@ -9,7 +9,15 @@
%mp_searchcols(libs=sashelp work, cols=name sex age)
@param libs=
@param libs=(SASHELP) Space separated list of libraries to search for columns
@param cols= Space separated list of column names to search for (not case
sensitive)
@param outds=(mp_searchcols) the table to create with the results. Will have
one line per table match.
@param match=(ANY) The match type. Valid values:
@li ANY - The table contains at least one of the columns
@li WILD - The table contains a column with a name that partially matches
@version 9.2
@author Allan Bowe
**/
@@ -17,6 +25,7 @@
%macro mp_searchcols(libs=sashelp
,cols=
,outds=mp_searchcols
,match=ANY
)/*/STORE SOURCE*/;
%put &sysmacroname process began at %sysfunc(datetime(),datetime19.);
@@ -38,8 +47,10 @@ create table _data_ as
%end;
order by 1,2,3;
%local tempds;
%let tempds=&syslast;
data &outds;
set &syslast;
set &tempds;
length cols matchcols $32767;
cols=upcase(symget('cols'));
colcount=countw(cols);
@@ -53,10 +64,29 @@ data &outds;
retain matchcols;
matchcols='';
end;
%if &match=ANY %then %do;
if findw(cols,name,,'spit') then do;
sumcols+1;
matchcols=cats(matchcols)!!' '!!cats(name);
end;
%end;
%else %if &match=WILD %then %do;
if _n_=1 then do;
retain wcount;
wcount=countw(cols);
drop wcount;
end;
do i=1 to wcount;
length curword $32;
curword=scan(cols,i,' ');
drop curword;
if index(name,cats(curword)) then do;
sumcols+1;
matchcols=cats(matchcols)!!' '!!cats(curword);
end;
end;
%end;
if last.memname then do;
if sumcols>0 then output;
if sumcols=colcount then putlog "Full Match: " libname memname;
@@ -66,6 +96,8 @@ run;
proc sort; by descending sumcols memname libname; run;
proc sql;
drop table &tempds;
%put &sysmacroname process finished at %sysfunc(datetime(),datetime19.);
%mend;
%mend mp_searchcols;