what is the best way to make JRuby to run in 1.9 mode by default?
i.e, I want to run rake test instead of jruby --1.9 -S rake test
rake test
jruby --1.9 -S rake test
In Windows, use set JRUBY_OPTS=--1.9 instead.
set JRUBY_OPTS=--1.9