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To center a string on a line, you get the starting position by taking the
length of the line, subtract the length of the string, divide by two, and
drop any fractional portion of the result. This all assumes you're using a
fixed-width font.
So if the length of the line in your print file is 132 characters, you could
do something like:
%let i = per protocol;
data _null_;
file print;
string = "results for sub-population &i";
start = int((132 - length(string))/2);
put @start string;
stop;
run;
If you want to follow Gerhard's suggestion, the hex byte he's probably
thinking of is 'A0';
%let i = per protocol;
title1 "results for sub-population &i";
data _null_;
file print;
put 'a0'x;
stop;
run;
A slight caution here - if ultimately people are going to view you print
file in a word processor program, hex byte A0 appears as a blank in
Microsoft Word. However, in the Writer application from Open Office, the
byte shows up as a gray character cell by default. Don't know about other
word processing programs.
"Gerhard Hellriegel" <gerhard.hellriegel@T-ONLINE.DE> wrote in message
news:200909161143.n8GAkfmk004522@malibu.cc.uga.edu...
> if you have something to list, why don't you use a title statement?
> If you have nothing and want only the title, you must use a char which is
> not visible, but not blank. I think hex FF or ED (somewhere around that)
> is something what you could use to force SAS to produce a output.
>
> title "Results for Subpopulation #&I:";
>
> DATA _NULL_;
> FILE PRINT;
> PUT "."; PUT ; PUT;
> RUN;
>
> Gerhard
>
>
>
> On Wed, 16 Sep 2009 03:44:34 -0400, Dan Abner <dan.abner99@GMAIL.COM>
> wrote:
>
>>Hello,
>>
>>Does anyone know how to center a character string in the listing and print
>>it in blue using a PUT statment (In other words, to mimick a title)?
>>
>>I have the following DATA step that I use in what I hope will be a
>>production level macro. Just need this to look like a proper title. I
> would
>>rather not call a null PROC step just to get a title to print...
>>
>>DATA _NULL_;
>>
>>FILE PRINT;
>>
>>PUT; PUT "Results for Subpopulation #&I:"; PUT;
>>
>>RUN;
>>
>>Thanks!
>>
>>
>>
>>Daniel
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