How to create a macrovariable which holds the value of previousmonth end date time
For ex: '8/30/2011 23:59:59'
proc format;
picture mydtfmt
other = '%m/%d/%Y %H:%M:%S' (datatype=datetime);
run;
data _null_;
/* get first day of current month */
today=today();
first_day=mdy(month(today),1,year(today));
/* get last day of previous month and add time 23:59:59 */
want_d=first_day-1;
want_dt=dhms(want_d,23,59,59);
/* put calculated datetime into macrovariable with for m/d/Y H:M:S */
call symput('previousmonth',put(want_dt,mydtfmt.));
run;
%put &previousmonth;
proc format;
picture mydtfmt
other = '%m/%d/%Y %H:%M:%S' (datatype=datetime);
run;
data _null_;
/* get first day of current month */
today=today();
first_day=mdy(month(today),1,year(today));
/* get last day of previous month and add time 23:59:59 */
want_d=first_day-1;
want_dt=dhms(want_d,23,59,59);
/* put calculated datetime into macrovariable with for m/d/Y H:M:S */
call symput('previousmonth',put(want_dt,mydtfmt.));
run;
%put &previousmonth;
or, a bit easier:
data _null_;
call symput('prev_month_end',intnx('dtmonth', datetime(),-1,'E'));
run;
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