ShiftStream

Description:	Inserts or deletes characters from a stream and returns its own error code.
Returns:	Nothing
Usage:	Script or steady state.
Function Groups:	Stream and Socket
Related to:	Seek | StreamEnd
Format:	ShiftStream(Stream, Pos, Offset)
Parameters:

Stream

Required. Any expression giving the stream to shift.

Pos

Required. Any numeric expression giving the stream position to seek to before beginning the shift.

Offset

Required. Any numeric expression giving the number of characters to insert. If this is negative, characters will be deleted.

Comments:

The returned value is true if successful, false if not.