SUASCII - print non zero header values and data		

 suascii <stdin >ascii_file					

 Optional parameter:						
	bare=0		print headers and data			
			bare=1 print only data 			
			bare=2 print headers only		

 Notes: suwind/suus provide trace selection and/or subsampling.
	 with bare=1 traces are separated by a blank line.	


 Credits:
	CWP: Jack

 Trace header field accessed: ns