Program sfnpyCorr | 
[SYNOPSIS]
sfnpyCorr < Fa.rsf flt=Fb.rsf > Fc.rsf norm=n nc=100
[COMMENTS]
Implements corr(a,b) along the fast axis 
a [file] : is taken from stdin
b [file] : is taken from  "flt"
Requires both files to have the same sampling interval

[PARAMETERS]
file    | flt | = |   | 	auxiliary input file name
int     | nc | =100 |   | 	number of correlation lags
bool    | norm | =n |  [y/n] | 	normalize output
[DIRECTORY]
user/ediazp
