Program sfcat | Concatenate datasets. 
[SYNOPSIS]
sfcat > out.rsf order= space= axis=3 nspace=(int) (ni/(20*nin) + 1) o= d= [<file0.rsf] file1.rsf file2.rsf ... 
[COMMENTS]
sfmerge inserts additional space between merged data.

[PARAMETERS]
int     | axis | =3 |   | 	Axis being merged 
float   | d | = |   | 	axis sampling 
int     | nspace | =(int) (ni/(20*nin) + 1) |   | 	if space=y, number of traces to insert 
float   | o | = |   | 	axis origin 
ints    | order | = |   | 	concatenation order  [nin]
bool    | space | = |  [y/n] | 	Insert additional space.
	   y is default for sfmerge, n is default for sfcat 
[DIRECTORY]
system/main
