Issue #3207 has been updated by mame (Yusuke Endoh). Status changed from Open to Assigned ---------------------------------------- Feature #3207: refinement of IO's bizarre behavior https://bugs.ruby-lang.org/issues/3207#change-25500 Author: mame (Yusuke Endoh) Status: Assigned Priority: Normal Assignee: mame (Yusuke Endoh) Category: core Target version: 2.0.0 Hi, There are some issues reported about IO's bizarre behavior. - #1755 - #2516 - #2700 - #2747 All these are caused by buffering. Currently, it is considered as the spec. [ruby-core:28335] But it is better for user not to have to know such an internal implementation. -- Yusuke Endoh <mame / tsg.ne.jp> -- http://bugs.ruby-lang.org/