This feature is included in the Solaris 10 5/08 release.
The File Encoding Examiner fsexam enables you to convert the name of a file, or the contents of a plain-text file, from a legacy character encoding to UTF-8 encoding.The fsexam utility include the following new features:
Encoding list customization
Support for dry runs, log files, batch conversion, file filtering, symbolic files, command line, and special file types like the compress file
For more information, see the fsexam(1) and fsexam(4) man pages.