You can use the native2ascii tool to convert files with native encoded characters to a file with Unicode encoded characters.
The syntax to use the native2ascii tool is:
native2ascii [options] [inputfile [outputfile]]
options: Refers to various options that you can use to pass information or configure the native2ascii tool.
inputfile: Refers to the file that contains native encoded characters.
outputfile: Represents the file that will contain the converted text.
Options of the native2ascii Tool
-reverse Allows you to perform the reverse operation, which reverse the
sense of the conversion.
-encoding encoding_name Specifies the encoding name that is used by
the conversion procedure.
-Joption Allows you to pass configuration options to JVM.