I would think that it would be possible on Unix, unless your Unix box was configured to handle russian characters.
Hmmm, i was thinking about this more - you might also try re-posting this somewhere in the adapter section - it might be noticed more by people who have seen this type of translation before.
Also, in the past when i have dealt with odd character sets, i have gotten a known good example so that i could compare against it. In other words, if you have an example of the correct file format, put that on your Unix box and see how it looks. If your file looks similar, it may be alright!
!!!
-greg
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