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core/base/mf_getfmtlist.sas

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SAS

/**
@file
@brief Returns a distinct list of formats from a table
@details Reads the dataset header and returns a distinct list of formats
applied.
%put NOTE- %mf_getfmtlist(sashelp.prdsale);
%put NOTE- %mf_getfmtlist(sashelp.shoes);
%put NOTE- %mf_getfmtlist(sashelp.demographics);
returns:
DOLLAR $CHAR W MONNAME
$CHAR BEST DOLLAR
BEST Z $CHAR COMMA PERCENTN
@param [in] libds Two part library.dataset reference.
<h4> SAS Macros </h4>
@li mf_getfmtname.sas
@version 9.2
@author Allan Bowe
**/
%macro mf_getfmtlist(libds
)/*/STORE SOURCE*/;
/* declare local vars */
%local out dsid nvars x rc fmt;
/* open dataset in macro */
%let dsid=%sysfunc(open(&libds));
/* continue if dataset exists */
%if &dsid %then %do;
/* loop each variable in the dataset */
%let nvars=%sysfunc(attrn(&dsid,NVARS));
%do x=1 %to &nvars;
/* grab format and check it exists */
%let fmt=%sysfunc(varfmt(&dsid,&x));
%if %quote(&fmt) ne %quote() %then %let fmt=%mf_getfmtname(&fmt);
%else %do;
/* assign default format depending on variable type */
%if %sysfunc(vartype(&dsid, &x))=C %then %let fmt=$CHAR;
%else %let fmt=BEST;
%end;
/* concatenate unique list of formats */
%if %sysfunc(indexw(&out,&fmt,%str( )))=0 %then %let out=&out &fmt;
%end;
%let rc=%sysfunc(close(&dsid));
%end;
%else %do;
%put &sysmacroname: Unable to open &libds (rc=&dsid);
%put &sysmacroname: SYSMSG= %sysfunc(sysmsg());
%let rc=%sysfunc(close(&dsid));
%end;
/* send them out without spaces or quote markers */
%do;%unquote(&out)%end;
%mend mf_getfmtlist;