From: "ko1 (Koichi Sasada)" <redmine@...>
Date: 2013-02-22T09:12:17+09:00
Subject: [ruby-core:52656] [ruby-trunk - Feature #7654] Add optional code block to IO::readlines


Issue #7654 has been updated by ko1 (Koichi Sasada).

Assignee set to matz (Yukihiro Matsumoto)


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Feature #7654: Add optional code block to IO::readlines
https://bugs.ruby-lang.org/issues/7654#change-36742

Author: shock_one (������������������ ��������������)
Status: Open
Priority: Normal
Assignee: matz (Yukihiro Matsumoto)
Category: core
Target version: next minor


Of course, we always can write something like
File.readlines('/home/shock_one/test.rb').map{ |line| line.upcase }
but this way we create unneeded intermediate array which can be pretty big.
There is also a method IO::foreach, but it doesn't collect return values.
Besides it seems pretty logical and natural to have a block in this method.


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