[#54738] [ruby-trunk - Bug #8358][Open] TestSprintf#test_float test failuer on mingw32 — "phasis68 (Heesob Park)" <phasis@...>

36 messages 2013/05/02

[#54749] [ruby-trunk - Feature #8361][Open] Alternative syntax for block parameter — "alexeymuranov (Alexey Muranov)" <redmine@...>

12 messages 2013/05/02

[#54798] [ruby-trunk - Bug #8370][Open] Constants MAX_MULTIPART_LENGTH in cgi\core.rb — "xibbar (Takeyuki FUJIOKA)" <xibbar@...>

17 messages 2013/05/05

[#54850] [ruby-trunk - Feature #8377][Open] Deprecate :: for method calls in 2.1 — "charliesome (Charlie Somerville)" <charliesome@...>

27 messages 2013/05/07

[#54881] [ruby-trunk - Bug #8384][Open] Cannot build ruby against OpenSSL build with "no-ec2m" — "vo.x (Vit Ondruch)" <v.ondruch@...>

16 messages 2013/05/09

[#54921] [ruby-trunk - Bug #8393][Open] A class who's parent class is in a module can go wrong if files are required in the wrong order — "eLobato (Daniel Lobato Garcia)" <elobatocs@...>

15 messages 2013/05/12

[#54939] [ruby-trunk - Bug #8399][Open] Remove usage of RARRAY_PTR in C extensions when not needed — "dbussink (Dirkjan Bussink)" <d.bussink@...>

32 messages 2013/05/12

[#55053] [ruby-trunk - Feature #8426][Open] Implement class hierarchy method caching — "charliesome (Charlie Somerville)" <charliesome@...>

21 messages 2013/05/19

[#55096] [ruby-trunk - Feature #8430][Open] Rational number literal — "mrkn (Kenta Murata)" <muraken@...>

28 messages 2013/05/21

[#55197] [ruby-trunk - Feature #8461][Open] Easy way to disable certificate checking in XMLRPC::Client — "herwinw (Herwin Weststrate)" <herwin@...>

11 messages 2013/05/29

[ruby-core:54746] [ruby-trunk - Bug #8342] IO.readlines ignores Encoding.default_internal if Encoding.default_external is ASCII-8BIT

From: "leocassarani (Leo Cassarani)" <leo.cassarani@...>
Date: 2013-05-02 14:12:24 UTC
List: ruby-core #54746
Issue #8342 has been updated by leocassarani (Leo Cassarani).


Thanks naruse. However, this seems inconsistent with the way encodings are handled for individual IO instances. For example:

io = File.open('hi', :encoding => "ascii-8bit:utf-16")
puts io.gets.encoding
# => UTF-16

This happens even if Encoding.default_external is set to ASCII-8BIT before opening the file.
----------------------------------------
Bug #8342: IO.readlines ignores Encoding.default_internal if Encoding.default_external is ASCII-8BIT
https://bugs.ruby-lang.org/issues/8342#change-39086

Author: leocassarani (Leo Cassarani)
Status: Rejected
Priority: Normal
Assignee: naruse (Yui NARUSE)
Category: M17N
Target version: current: 2.1.0
ruby -v: 1.9.3
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


Under normal circumstances, IO.readlines will transcode from Encoding.default_external to Encoding.default_internal:

File.open('hi', 'w') { |f| f.puts "hello\n" }
Encoding.default_external = Encoding::US_ASCII
Encoding.default_internal = Encoding::UTF_8
puts IO.readlines('hi').first.encoding
#=> UTF-8

However, when Encoding.default_external is set to ASCII-8BIT, IO.readlines will always use ASCII-8BIT, regardless of what Encoding.default_internal is set to:

File.open('hi', 'w') { |f| f.puts "hello\n" }
Encoding.default_external = Encoding::ASCII_8BIT
Encoding.default_internal = Encoding::UTF_8
puts IO.readlines('hi').first.encoding
#=> ASCII-8BIT

Using IO#gets instead of IO.readlines will produce the same behaviour.


-- 
http://bugs.ruby-lang.org/

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