10 lines
		
	
	
		
			170 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			10 lines
		
	
	
		
			170 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|  | BEGIN { | ||
|  | 	## `FS` with a question mark(`?`) followed by four characters. the last three are equal. | ||
|  | 	FS="?,\"\"\""; | ||
|  | } | ||
|  | 
 | ||
|  | { | ||
|  | 	for (i = 0; i <= NF; i++) print i, "[" $i "]"; | ||
|  | } | ||
|  | 
 |