Simple but very flexible and usefull terminal encoding converter

#!/usr/bin/jruby

require "java"

def help
        p "cnvrt  <...>"
end


if (ARGV.size > 0)
        begin
                charset = java.nio.charset.Charset.for_name ARGV[0]
                ARGV.delete_at 0
                ARGV.each {|a|
                        bytes = java.lang.String.new(a).getBytes
                        buffer = java.nio.ByteBuffer.wrap(bytes)
                        puts charset.decode(buffer)
                }
        rescue
                p $!
        end
else
        help
end