concatenate macro variables with characters and quote the end result

[venka]

%let a = abc;

%let b = xyz;

want to concatenate above two values with .

below doesn't Work, but to show what I am intending to do

%unquote(%str(%')cat(&a,.,&b)%str(%'))

to get end result with quotes  'abc.xyz'

[novinosrin · Accepted solution]

Your objective seems too simple if i understand correctly

%let a = abc;

%let b = xyz;

%let want=%bquote('&a..&b');

%put &=want;