From: Li Chen Date: 2009-09-29T07:10:16+09:00 Subject: Re: format problem David Masover wrote: > Does that make sense? Hi David, Thank you for the detailed explanation and I get it. But I have another question: When I open the written file I get my expected format correctly. But it is odd that after I open it with Excel or import it into Excel the data in one column are not formatted. Is it caused by Excel? Thanks, Li ## written file is open with notepad a b c c1 2.00 1.00 d1 3.00 4.00 # file is open with Excel a b c c1 2 1 d1 3 4 -- Posted via http://www.ruby-forum.com/.