#!/bin/bash

lsof > lsof.log

cat lsof.log | awk '{print $1}' | sort | uniq > item.list

for item in `cat item.list`
do
        echo -n "$item: "
        cat lsof.log | grep '^$item ' | wc -l
done

lsof | | awk '{count[$i]++ } END { for (item in count) printf "%d: %s\n", count[item], item}'|sort -n