git show large files

#!/bin/bash
#set -x 

IFS=$'\n';
objects=`git verify-pack -v .git/objects/pack/pack-*.idx | grep -Ev "non delta|chain length|git/objects" | tr -s " " | sort -k3gr | head -n30`
output="size,SHA,location"
for y in $objects
do
  # extract the size in KB
  size=$((`echo $y | cut -f 3 -d ' '`/1024))
  sha=`echo $y | cut -f 1 -d ' '`
  other=`git rev-list --all --objects | grep $sha`
  #lineBreak=`echo -e "\n"`
  output="${output}\n${size},${other}"
done

echo -e $output | column -t -s ', '