find-large-dirs

#!/bin/bash

#!/bin/bash
LANG=C
cmdname=`basename $0`

ionice_bin=`which ionice`;

if [ "$ionice_bin" == "" ] 
then
	 echo "ionice not installed. Proceed with install? (CTRL+C to Abort)"
	 echo "or run install manually: apt-get install util-linux coreutils less"
	 read
	 apt-get -y install util-linux coreutils less
fi

function usage() {
cat <<EOF

Usage: ${cmdname} /path/to/folder

Interactive script to calculate disk usage of top folders.
by default scans all directories  ( "/" ).

-h --help  : Help (this screen).
EOF
}

case "$1" in
  "")        path="/" ;;
  -h|--help) usage; exit; ;;
  *)         path=$1 ;;
esac


nice -n19 ionice -c 3 du -m --exclude=/proc ${path} | perl -ne '@l = split();print "@l\n" if [0]>=5000' |sort -nr | less