Calculates total file space usage for each user in specified directory and subdirectories.

userdu.sh

#!/bin/bash

function usage()
{
   echo "Usage: `basename $0` [dir]"
   echo "   dir - directory to check (default is current directory)"
}

if [ "$1" == "-h" ]
then
   usage
   exit 0
fi

if [ $# -gt 1 ]
then
   echo "Too many arguments."
   usage
   exit 1
elif [ ! -d $1 ]
then
   echo "Directory ($1) not exists."
   usage
   exit 1
fi

find $1 -type f | xargs ls -l | awk '{print $3 " " $5}' | sort | awk '{prev=current; current=$1; if(prev==current){size=size+$2}else if(user!=""){print user " " size; size=$2;} user=$1} END{print user " " size}' | sort -gr -k2 | awk '{arr[0]=""; arr[1]="K"; arr[2]="M"; arr[3]="G"; arr[4]="T"; var=$2; iter=0; while(var>1024){var/=1024; iter++;}; printf("%-15s %.2f%s\n", $1, var, arr[iter])}' | awk '{comm=sprintf("finger %s | grep Name | sed '\''s/.*Name: //g'\'' | tr -d '\''\\n'\'' ", $1); while(comm | getline name){}; printf("%-15s %-25s %-10s\n", $1, name, $2); }'