From: "luislavena (Luis Lavena)" Date: 2012-10-30T02:32:51+09:00 Subject: [ruby-core:48546] [ruby-trunk - Bug #7239][Assigned] Can't read from subprocess when run with rubyw on windows Issue #7239 has been updated by luislavena (Luis Lavena). Description updated Category set to core Status changed from Open to Assigned Assignee set to usa (Usaku NAKAMURA) ---------------------------------------- Bug #7239: Can't read from subprocess when run with rubyw on windows https://bugs.ruby-lang.org/issues/7239#change-31929 Author: mthiede (Martin Thiede) Status: Assigned Priority: Normal Assignee: usa (Usaku NAKAMURA) Category: core Target version: ruby -v: ruby 1.9.3p194 (2012-04-20) [i386-mingw32] File.open 'res.txt', 'w' do |f| f << `dir` end when run with "rubyw", the file "res.txt" will be empty, when run with "ruby" it will contain the output of the "dir" command the problem is present in Ruby versions 1.9.1, 1.9.2 and 1.9.3 the problem is *not* present in Ruby version 1.8.7 -- http://bugs.ruby-lang.org/