From: "brixen (Brian Ford)" <brixen@...>
Date: 2012-10-21T14:29:57+09:00
Subject: [ruby-core:48132] [ruby-trunk - Bug #7201][Open] Setting default_external affects STDIN encoding but default_internal does not


Issue #7201 has been reported by brixen (Brian Ford).

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Bug #7201: Setting default_external affects STDIN encoding but default_internal does not
https://bugs.ruby-lang.org/issues/7201

Author: brixen (Brian Ford)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.3p286 (2012-10-12 revision 37165) [x86_64-darwin10.8.0]


Changing Encoding.default_external changes STDIN.external_encoding, but changing Encoding.default_internal does not change STDIN.internal_encoding.

STDOUT and STDERR internal/external encodings are not changed in either case and are always nil.

Is this a bug? See the following IRB transcript:

$ irb
1.9.3p286 :001 > Encoding.default_external
 => #<Encoding:UTF-8> 
1.9.3p286 :002 > Encoding.default_internal
 => nil 
1.9.3p286 :003 > STDIN.external_encoding
 => #<Encoding:UTF-8> 
1.9.3p286 :004 > STDIN.internal_encoding
 => nil 
1.9.3p286 :005 > Encoding.default_external = "euc-jp"
 => "euc-jp" 
1.9.3p286 :006 > STDIN.external_encoding
 => #<Encoding:EUC-JP> 
1.9.3p286 :007 > STDIN.internal_encoding
 => nil 
1.9.3p286 :008 > Encoding.default_internal = "iso-8859-1"
 => "iso-8859-1" 
1.9.3p286 :009 > STDIN.internal_encoding
 => nil 

Thanks,
Brian





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