From: Tadeusz Bochan Date: 2013-07-05T22:42:12+09:00 Subject: Re: RUBYOPT -S RuntimeError Thanks for that. I managed to find that reference when I googled for an updated version of the man pages. It was difficult to find unless you included "man page" in the search. In the Programming Ruby book, it only says that option -S (among others) is not allowed if $SAFE >= 1 I guess that it makes sense not to have -S in a variable. Regards -- Posted via http://www.ruby-forum.com/.