From: Yui NARUSE <redmine@...>
Date: 2010-06-08T09:24:37+09:00
Subject: [ruby-core:30645] [Bug #3407] Kernel.open Ignores 'BOM|' Prefix of :encoding Value

Issue #3407 has been updated by Yui NARUSE.


>   File.read('/tmp/bom', external_encoding: 'BOM|UTF-8') 
>   #=> ArgumentError: unknown encoding name - BOM|UTF-8

Use IO.read('/tmp/bom', encoding: 'BOM|UTF-8').
It is not for encoding name, but mode_enc.
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http://redmine.ruby-lang.org/issues/show/3407

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