Alex Khesin created JRUBY-6323:
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             Summary: JRuby does not pay attention to either -U or LANG in 
determining encoding for ARGV (it is always ASCII-8BIT)
                 Key: JRUBY-6323
                 URL: https://jira.codehaus.org/browse/JRUBY-6323
             Project: JRuby
          Issue Type: Bug
          Components: Ruby 1.9.3
    Affects Versions: JRuby 1.6.5, JRuby 1.6.6, JRuby 1.7
         Environment: Linux 2.6.38 / Ubuntu 10.04.1 LTS
            Reporter: Alex Khesin
            Assignee: Thomas E Enebo


Using MRI Ruby 1.9.3:

$ LANG=en_US ruby -e 'puts ARGV[0].encoding' foo
ISO-8859-1
$ LANG=en_US.utf8 ruby -e 'puts ARGV[0].encoding' foo
UTF-8
$ LANG=en_US ruby -U -e 'puts ARGV[0].encoding' foo
UTF-8

Using JRuby (tested in 1.6.5, 1.6.6.dev, 1.7.0.dev):

$ LANG=en_US jruby --1.9 -e 'puts ARGV[0].encoding' foo
ASCII-8BIT          
$ LANG=en_US.utf8 jruby --1.9 -e 'puts ARGV[0].encoding' foo
ASCII-8BIT          
$ LANG=en_US jruby --1.9 -U -e 'puts ARGV[0].encoding' foo
ASCII-8BIT          


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