Report disk usage under specified directory (largest subdirectories and largest files)

usage.sh

#!/bin/sh
#
# Report disk usage
#
# Usage: usage.sh DIR
#
if [ $# -eq 0 ] ; then
  echo "Usage: $0 DIR"
  exit
fi
#
DATA_DIR=$1
DIR_SIZE_LIMIT=4000000
FILE_SIZE_LIMIT=1000000
echo "======================================"
echo Top level usage in $DATA_DIR
echo "--------------------------------------"
du -sh $DATA_DIR/* | sort -hr
echo "--------------------------------------"
du -sh $DATA_DIR | sort -hr
#
disk_usage=`du -ka $DATA_DIR | sort -nr`
#
echo "======================================"
echo Directories larger than $DIR_SIZE_LIMIT K
echo "--------------------------------------"
IFS=$'\n'
for line in $disk_usage ; do
  d=`echo $line | cut -f2`
  s=`echo $line | cut -f1`
  if [ -d $d ] ; then
    if [ $s -gt $DIR_SIZE_LIMIT ] ; then
      ls_out=`ls -lhd $f`
      owner=`echo $ls_out | cut -f3 -d" "`
      size=`du -sh $d | cut -f1`
      echo $size$'\t'$owner$'\t'$d
    else
      break
    fi
  fi
done
#
echo "======================================"
echo Files larger than $FILE_SIZE_LIMIT K
echo "--------------------------------------"
IFS=$'\n'
for line in $disk_usage ; do
  f=`echo $line | cut -f2`
  s=`echo $line | cut -f1`
  if [ ! -d $f ] ; then
    if [ $s -gt $FILE_SIZE_LIMIT ] ; then
      #echo $line
      ls_out=`ls -lh $f`
      owner=`echo $ls_out | cut -f3 -d" "`
      size=`du -sh $f | cut -f1`
      echo $size$'\t'$owner$'\t'$f
    else
      break
    fi
  fi
done