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)


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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


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