From: Humphrey Alba <hpalba@...>
Date: 2009-04-06T10:39:22+09:00
Subject: what's wrong with these?

Version: ruby 1.9.1p0 (2009-01-30 revision 21907) [i686-linux]
Is there something wrong with this version?

1:
Dir.foreach("/tmp") {|f| puts f if File.directory?(f) }
-- it just prints '.' and '..'

2:
puts Dir.tmpdir
Dir.mktmpdir { |i|  puts i }
-- it says 'undefined method'
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