rame I.
   seqIo( fName, 'convert', tName, imgFun, varargin )
 Replace header of seq file with provided info.
   seqIo( fName, 'newHeader', info )
 Create interface sr for reading dual seq files.
   sr = seqIo( fNames, 'readerDual', [cache] )

 USAGE
  out = seqIo( fName, action, varargin )

 INPUTS
  fName      - seq file to open
  action     - controls action (see above)
  varargin   - additional inputs (see above)

 OUTPUTS
  out       - depends on action (see above)

 EXAMPLE

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