rubyists- does it not make sense that this should work? ~ > irb -r stringio irb(main):001:0> Marshal.dump 'foobar', StringIO.new TypeError: instance of IO needed from (irb):1:in `dump' from (irb):1 -a -- ==================================== | Ara Howard | NOAA Forecast Systems Laboratory | Information and Technology Services | Data Systems Group | R/FST 325 Broadway | Boulder, CO 80305-3328 | Email: ara.t.howard / fsl.noaa.gov | Phone: 303-497-7238 | Fax: 303-497-7259 | ~ > ruby -e 'p % ^) .intern' ====================================