*chapter 11;*Define and execute a macro.;*1;
proc print data=sasuser.all;var course_number student_name
student_company;run;%macro printnum;proc print data=sasuser.all
label noobs n; where course_number=# var student_name
student_company; title "Enrollment for Course
&num";run;%mend;*2.;options mcompilenote=all;
*3.;%let num=6;%printnum
*Define and execute a macro, and use debugging
options.;*1;%macro printnum;/*macro definition*/ proc print
data=sasuser.all label noobs n; where course_number=#
%*subsetting the data using where clause; var student_name
student_company; /*displaying two columns only*/ title "Enrollment
for Course &num"; run;%mend;options symbolgen mprint
mlogic;%let num=8;%printnum*Define and execute a macro that
includes positional parameters.*1;%macro
attend1(opts,start,stop);%let start=%upcase(&start);%let
stop=%upcase(&stop);proc freq data=sasuser.all; where
begin_date between "&start"d and "&stop"d; table location /
&opts; title1 "Enrollment from &start to
&stop";run;%mend;*2;options mlogic mprint
symbolgen;%attend1(nocum,'01jan2001'd,'31dec2001'd)
*3;%attend1(,'01jan2001'd,'31dec2001'd)*Define and execute a
macro that includes keyword parameters.;%macro
attend2(opts,start='01jan2001'd,stop='31dec2001'd);%let
start=%upcase(&start);%let stop=%upcase(&stop);proc freq
data=sasuser.all; where begin_date between "&start"d and
"&stop"d; table location / &opts; title1 "Enrollment from
&start to &stop";run;%mend;%attend2()%attend2(opts=nocum
nopercent,stop='30jun2001'd)*Define and execute a macro that
includes a mixed parameter list.;*1.;
%macro attend2(opts,start='01jan2001'd,stop='31dec2001'd);%let
start=%upcase(&start);%let stop=%upcase(&stop);proc freq
data=sasuser.all; where begin_date between "&start"d and
"&stop"d; table location / &opts; title1 "Enrollment from
&start to &stop";run;%mend;*2;%attend2(nocum)options mprint
mlogic;*3;%attend2(,start='01oct2001'd)*Call one macro from another
in order to create multiple local symbol tables.;*1;%macro
prtrost(num=1); data _null_; call symput('today',
(put(today(),mmddyy10.))); run;
proc print data=sasuser.all label noobs n; where
course_number=# var student_name student_company
city_state; title1 "Course &num Enrollment as of &today";
run;%mend prtrost;*2;%macro datemvar(frmt=date9.) data _null_; call
symput('today', (put(today(),&frmt))); run; %mend
datemvar;*3;%macro prtrost(num=1); %local today;
%datemvar(frmt=mmddyy10.) proc print data=sasuser.all label noobs
n; where course_number=# var student_name student_company
city_state; title1 "Course &num Enrollment as of &today";
run;%mend prtrost;*4;options mprintnest mlogicnest;*Define and
execute a macro in order to conditionally process SAS language
steps.;title;footnote;proc print data=sasuser.all;run;data
current(drop=diff); set sasuser.all; if year(begin_date)=2001;
diff=year(today())-year(begin_date);
begin_date=begin_date+(365*diff);run;proc print
data=current;run;*2;%macro reports;proc sort data=work.current
out=thisweek; where put(begin_date,monyy7.)=
"%substr(&sysdate9,3,7)" and begin_date ge "&sysdate9"d; by
begin_date location course_title;run;proc print data=thisweek noobs
n; by begin_date location course_title; var student_name
student_company paid; title "Course Registration as of
&sysdate";run;%mend reports;
%reports*3;%macro reports1;proc sort data=work.current
out=thisweek; where put(begin_date,monyy7.)=
"%substr(&sysdate9,3,7)" and begin_date le "&sysdate9"d; by
begin_date location course_title;run;proc means data=thisweek
maxdec=0 sum; by begin_date location course_title; var fee; class
paid; title "Revenue for Courses as of &sysdate9";run;%mend
reports1;%reports1*4;options mlogic mlogicnest mprint;%reports1*Use
a macro loop to generate data-dependent SAS code that is based on
information in the Sashelp.Vstabvw data view.;*1;proc print
data=sashelp.vstabvw(obs=5);run;%macro printlib(lib=SASUSER,obs=5);
%let lib=%upcase(&lib); data _null_; set sashelp.vstabvw
end=final; where libname="&lib"; call
symput('dsname'||left(_n_),trim(memname)); if final then call
symput('totaldsn',_n_); run;%mend printlib;%printlib()*2;options
mprint mlogic symbolgen;%macro printlib(lib=SASUSER,obs=5); %let
lib=%upcase(&lib); data _null_; set sashelp.vstabvw end=final;
where libname="&lib"; call
symput('dsname'||left(_n_),trim(memname)); if final then call
symput('totaldsn',_n_); run; *%put totaldsn; %let
f=input(&totaldsn,1.); %put &f; %local i; %do i=1 %to
&f; proc print data=&lib..&&dsname&i
(obs=&obs); title "Listing of &lib..&&dsname&i
Data Set"; run; %end;%mend printlib;%printlib()*Use the %EVAL
function and the %SYSEVALF function.;*1;%let sal1=25000;%let
sal2=27050.45;%let saldiff=%sysevalf(&sal2-&sal1);%put The
salary difference is &saldiff;
*2;
