"Baskaran.K" <baskaran@sps.co.in> writes: > \newcount\aacount > \def\kk{} > \def\aa#1{\advance\aacount 1\ifnum\aacount=0\edef\kk{ \kk #1} > \else\edef\kk{ \kk, #1}\fi} > \aa{aa} > \aa{bb} > \aa{cc} > \aa{dd} > \kk > if you find any other good method, Kindly help me. \def\kk{} \def\aa#1{\edef\kk{\kk\ifx\kk\empty , \fi #1}} -- David Kastrup, Kriemhildstr. 15, 44793 Bochum