It's become increasingly irritating that there's nothing equivalent to
IRB that works with JRuby on the command-line. I'm personally tired of
having a stack of test*.rb files around or using cumbersome -e strings
to try out every little thing I need to test while working on JRuby.
Something better is needed.
Could Ruby's IRB be modified to work correctly with JRuby? I know it
currently doesn't work because we don't have the terminal reading and
manipulating capabilities necessary in Java, but could those
requirements be ripped out?
Is there an alternative to IRB that would work in JRuby? I'm not
looking for anything fancy; just a basic interactive environment that
I can run easily from the command-line.
Could we just start working on our own simpler "jirb" so there's
something roughly equivalent to IRB in the JRuby standard distro?
How's this for a completely naive approach (that doesn't support
multi-line constructs, naturally):
STDOUT << '> '
while (x = STDIN.readline)
break if x =~ /^quit$/
begin
y = eval(x)
STDOUT << ' => '; p y
rescue Exception => e
puts e
end
STDOUT << '> '
end
--
Charles Oliver Nutter @ headius.blogspot.com
JRuby Developer @ jruby.sourceforge.net
Application Architect @ www.ventera.com
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