user-tools/diu

   1 #!/bin/bash
   2
   3 true <<EOF
   4 =pod
   5
   6 =head1 NAME
   7
   8 diu - Display Inode usage, similar to du(1) for space usage
   9
  10 =cut
  11
  12 EOF
  13
  14
  15 shopt -s dotglob
  16 shopt -s nullglob
  17 CROSSDEV=allow
  18
  19 show_num_of_entries()
  20 {
  21         local prefix name entries recursive_num pwd mynum parent_dev dev
  22         prefix=${1:+$1/}
  23         shift
  24         parent_dev=$1
  25         shift
  26         mynum=0
  27
  28         for name in "$@"
  29         do
  30                 if [ ! -L "$name" ]
  31                 then
  32                         if [ -d "$name" ]
  33                         then
  34                                 if [ $CROSSDEV = deny ]
  35                                 then
  36                                         dev=`stat -c %D "$name"`
  37                                 fi
  38                                 if [ $CROSSDEV = allow -o -z "$parent_dev" -o "$dev" = "$parent_dev" ]
  39                                 then
  40                                         pwd=$PWD
  41                                         if cd -- "$name"
  42                                         then
  43                                                 entries=(*)
  44                                                 show_num_of_entries "$prefix$name" "$dev" "${entries[@]}"
  45                                                 recursive_num=$[${#entries[@]} + $NUM]
  46                                                 echo "$recursive_num    $prefix$name"
  47                                                 mynum=$[$mynum + $recursive_num]
  48                                                 cd "$pwd"
  49                                         fi
  50                                 fi
  51                         elif [ ! -e "$name" ]
  52                         then
  53                                 echo "$0: $name: not found" >&2
  54                         fi
  55                 fi
  56         done
  57         NUM=$mynum
  58 }
  59
  60 while [ $# -gt 0 ]
  61 do
  62         case "$1" in
  63         -h|--help)
  64                 echo "$0: [options] [<directory> [...]]
  65 options:
  66  -x, --one-file-system"
  67                 exit 0
  68                 ;;
  69         -x|--one-file-system)
  70                 CROSSDEV=deny
  71                 ;;
  72         --)
  73                 shift
  74                 break
  75                 ;;
  76         -*)
  77                 echo "$0: unknown option: $1" >&2
  78                 exit -1
  79                 ;;
  80         *)
  81                 break
  82                 ;;
  83         esac
  84         shift
  85 done
  86
  87 if [ $# = 0 ]
  88 then
  89         set .
  90 fi
  91
  92 show_num_of_entries '' '' "$@"