Program sfboxfilter | 3D convolution with arbitrary filter 
[SYNOPSIS]
sfboxfilter < Fx.rsf > Fy.rsf flt=Ff.rsf verb=n stat=y
[PARAMETERS]
file    | flt | = |   | 	auxiliary input file name
bool    | stat | =y |  [y/n] | 	stationary flag 
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/psava
