[ruby-core:26260] [Bug #2259] Dir.foreach bug when used with command-line arguments

Bug #2259: Dir.foreach bug when used with command-line arguments
http://redmine.ruby-lang.org/issues/show/2259

Author: Benno Evers
Status: Open, Priority: Normal
ruby -v: ruby 1.9.0 (2008-06-20 revision 17482) [i486-linux]

This may be fixed in a newer version, but I couldn't check:

benno@benno-laptop:~/test$ ruby1.9 -v
ruby 1.9.0 (2008-06-20 revision 17482) [i486-linux]
benno@benno-laptop:~/test$ ls
äöüß  test1.rb  test2.rb
benno@benno-laptop:~/test$ cat test1.rb 
Dir.foreach(".") {|s| p s }
benno@benno-laptop:~/test$ cat test2.rb 
name = ARGV[0]
Dir.foreach(name) {|s| p s }
benno@benno-laptop:~/test$ ruby1.9 test1.rb 
"."
".."
"test1.rb"
"test2.rb"
"\xC3\xA4\xC3\xB6\xC3\xBC\xC3\x9F"
benno@benno-laptop:~/test$ ruby1.9 test2.rb .
"."
".."
"test1.rb"
"test2.rb"
test2.rb:2:in `foreach': conversion undefined for byte sequence (maybe invalid byte sequence) (RuntimeError)
	from test2.rb:2:in `<main>'


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