grep '<roleset ' * | grep -o ' id="[^\"]*" ' | sort -n | uniq -c | sort -rn | less
3 id="dull.01"
2 id="wound.01"
2 id="tune.01"
2 id="slim.01"
2 id="settle.01"
2 id="gather.01"
2 id="extol.01"
2 id="exalt.01"
2 id="dissect.01"
2 id="denote.01"
2 id="defecate.01"
2 id="cross-pollinate.01"
2 id="cremate.01"
2 id="copy.01"
2 id="complain.01"
2 id="co-author.01"
2 id="buff.01"
2 id="bend.01"
2 id="belly-flop.01"
2 id="belly.01"
2 id="appall.01"
2 id="activate.01"
grep '<roleset ' * | grep -o ' id="[^\"]*" ' | sort -n | uniq -c | sort -rn | less