Thanks, but what is the reason for this problem? The same is, e.g. when you use the "inspect" or the "to_s" message of an object. -- Yalin "Simon Strandgaard" <neoneye / adslhome.dk> schrieb im Newsbeitrag news:pan.2004.03.05.15.05.13.627630 / adslhome.dk... > On Fri, 05 Mar 2004 15:42:12 +0100, Yalin wrote: > > I have installed ruby with "ruby181-11.exe" on Windows XP and wanted to try > > some code samples from the Ruby Programmers Guide, but without success. If I > > run following code, I don't get any output on console: > [snip] > > welcome to Ruby ;-) > > > try > > a = [1, 'cat', 3.14] > p a[0] > a[2] = nil > p a > > > on my machine (executing 'ruby example.rb') it outputs > > 1 > [1, "cat", nil] > > > -- > Simon Strandgaard