From: "amir e." Date: 2011-09-21T04:58:50+09:00 Subject: I am confused with installing a gem Hi When I tried to install 'sexp' gem for first time (with this statement : 'gem install sexp' ) ruby gives me an error but when for second time I tried with the same statement ruby didn't give me an error . Why ruby behave such this ? ** I take a picture from steps that I tried to install that gem ** Attachments: http://www.ruby-forum.com/attachment/6614/Capture.PNG -- Posted via http://www.ruby-forum.com/.