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List: ruby-core
Subject: [ruby-core:54682] [ruby-trunk - Bug #8342][Rejected] IO.readlines ignores Encoding.default_internal
From: "naruse (Yui NARUSE)" <naruse () airemix ! jp>
Date: 2013-04-29 5:00:05
Message-ID: redmine.journal-39028.20130429140004 () ruby-lang ! org
[Download RAW message or body]
Issue #8342 has been updated by naruse (Yui NARUSE).
Status changed from Assigned to Rejected
If external encoding is ASCII-8BIT, the input content is considered as binary.
It is out of text encoding conversion and its encoding kept as ASCII-8BIT even if \
default_internal is set.
----------------------------------------
Bug #8342: IO.readlines ignores Encoding.default_internal if \
Encoding.default_external is ASCII-8BIT \
https://bugs.ruby-lang.org/issues/8342#change-39028
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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