Synopsis
		sfheadersort < in.rsf > out.rsf head=

Parameters
		string head= header file

Used In
		BEI          ft1/autocor   DATA          p-cable/ntg seam-phase1-2d/cvs   GEO384S          hw2/land3d hw3/nmo3d hw6/gazdag   RSF          rsf/plot rsf/sfwiggle su/rsflab14 tutorials/colormaps   SEP          pefmult/haskell pefmult/mobil pefmult/syn   TCCS          demulemd/haskell demulemd/mobil demulemd/syn