nd
 seqWriterPlugin (there is no need to call those functions directly).

 seqIo contains a number of utility functions for working with seq files.
 The format for accessing the various utility functions is:
  out = seqIo( fName, 'action', inputs );
 The list of functions and help for each is given below. Also, help on
 individual subfunctions can be accessed by: &quot;help seqIo&gt;action&quot;.

 Create interface sr for reading seq files.
   sr = seqIo( fName, 'reader', [cache] )
 Create interf