Synopsis
		sfspectra < in.rsf > out.rsf all=n opt=y

March 2012 program of the month:
http://ahay.org/blog/2012/03/18/program-of-the-month-sfspectra/

Parameters
		bool all=n [y/n] if y, compute average spectrum for all traces   bool opt=y [y/n] if y, determine optimal size for efficiency

Used In
		BEI          dwnc/sigmoid ft1/autocor krch/sep73   CUP          rna2d/real