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why have you rejected using multiple %let statements
or even one macro variable holding the whole list
%let cards =
hujkl uio 4567 jkl 90 <y x > 567
rtz ghj bnm 89 tz 345
;
A data step (and/or macro processing) could
parse those constants
data parameters;
retain cards "&cards" ;
array parm(21) $8;
do i = 1 to dim(parm);
parm(i) = %scan( cards, i );
end;
output ;
stop;
run;
You would know how many parameters you want to
extract from those "CARDS"
Good luck
Peter Crawford
Datum: 10.12.2001 16:56
An: SAS-L@LISTSERV.UGA.EDU
Antwort an: Michael Friendly <friendly@HOTSPUR.PSYCH.YORKU.CA>
Betreff: Alternative to CARDS; in a macro?
Nachrichtentext:
I'm writing a macro which needs a data set containing constant information
of labels and other control variables. Normally, I would put this in
a datastep, using CARDS; (or DATALINES;), but these can't be used inside
a macro.
One alternative is to put this information in a separate file, and
read it with an INFILE statement, but then the macro is not self-contained,
and I need to worry about how to reference the external file on
different operating systems.
Another alternative is to construct a data set with a long series of
assignment and output statements, e.g.,
data control;
_name_='N'; label='Sample size'; type='a0'; .... output;
_name_='NPARM'; label='Number of parameters'; type='a0'; .... output;
...
But, this is really tedious and ugly. Is there anything simpler I've
overlooked?
thx,
--
Michael Friendly Email: friendly@yorku.ca (NeXTmail OK)
Psychology Dept
York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street http://www.math.yorku.ca/SCS/friendly.html
Toronto, ONT M3J 1P3 CANADA
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