As of now it works with Nudi and Baraha encoding, This script can convert the text file with Nudi/Baraha encoded text to Unicode.
Online version is available in https://aravindavk.in/ascii2unicode/
As of now supported only Linux, and this tool uses Python 3. Download "[knconverter]" and copy to /usr/local/bin folder(sudo cp ~/Downloads/knconverter /usr/local/bin/)
cat my_ascii_file.txt | knconverter > output.txt
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knconverter my_ascii_file.txt
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knconverter my_ascii_file.txt -o output.txt