# /* vim: set filetype=awk : */ -*- awk -*-

BEGIN        { Want=1;
               IGNORECASE=1; 
             }
/@attribute/ { $1=$2=""; 
	           gsub(/[{}' \t]/   ,""); 
			   sub(/^[ \t]*/ ,"");
			   sub(/[ \t]*$/ ,"");
			   N=split($0,Words,",")
             }
/@data/      { exit }

END { if(Want) {
		print Words[Want]
	  } else {
		for(I=1;I<=N;I++)
			print Words[I] }}