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#!/bin/rc awk -v 'op='$1	'BEGIN{	collect = isflag = 0} /^[ \t]*$/{	next}/^#/{	next}collect && /^[^	\t]/{	collect = isflag = 0}collect && $0 ~ /[^ \t]+/{	if($1 ~ op)	for(i = 2; i <= NF; i++)		flag[$i]++;}$0 ~ /^[^ \t]/{	if($1 ~ "flags"){		flags = 1;		collect = 1;	}	next;} END{	x = ""	for(i in flag)		x = x " " i	print x;}' $*(2-)