writeBinFragments: Writes binary data to disjoint sections of a connection or a file
Description
 Writes binary data to disjoint sections of a connection or a file.
Usage
"writeBinFragments"(con, object, idxs, size=NA, ...)
Arguments
object
A vector of objects to be written. idxs
A vector of (non-duplicated) indices or a Nx2 matrix
    of N from-to index intervals specifying the elements to be read.
    Positions are always relative to the start of the file/connection. size
The size of the data type to be read. If NA, the natural
   size of the data type is used. ...
Additional arguments passed to
   writeBin().