Brian Candler <B.Candler / pobox.com> wrote: > Just put "#!/usr/local/bin/ruby -w" at the start of all your scripts. As > Matz has mused before, it should have been compulsory (with an option to > turn it *off*) It seems to me that that could be done at any point, without 'breaking' anything (your code will still run; it'll just spit out warnings). What are the cons? martin