Program sfheadercut | Zero a portion of a dataset based on a header mask.
[SYNOPSIS]
sfheadercut mask=head.rsf < in.rsf > out.rsf
[COMMENTS]

The input data is a collection of traces n1xn2,
mask is an integer array of size n2.

[PARAMETERS]
file    | mask | = |   | 	auxiliary input file name
[DIRECTORY]
system/main
