Finding files on zfs that has copies=2 (or more)

zfs_find_copies_n.sh

#!/bin/bash
for file in $(/bin/ls *.jpg); do
    size=$(/bin/ls -l $file | awk '{printf $5}')
    dusize=$(du --block-size=1 $file | awk '{print $1}')
    verify=$(echo $size*1.5/1 | bc)

    if [ $dusize -gt $verify ]; then
        dusize=$(printf "%'d" $dusize)
        size=$(printf "%'d" $size)
        echo "$file has copies>1 ($dusize > $size)"
    fi
done