newcpgreport is used in the production of the CpG Island database CPGISLE. It produces CPGISLE database entry format reports for a potential CpG island. See the FTP site: ftp://ftp.ebi.ac.uk/pub/databases/cpgisle/ for the finished database.
Here is a sample session with newcpgreport:
% newcpgreport Input sequence: embl:rnu68037 Window size : Shift increment : Minimum Length : Minimum observed/expected [0.6]: Minimum percentage [50.]: Output file [rnu68037.newcpgreport]: