#!/bin/csh -f
# dubig
# ------------------------------------------------------------------------------
# Shell script to show the disk usage of big directory trees.
# ------------------------------------------------------------------------------
# Revision History:
#   $Log$
# ------------------------------------------------------------------------------

if ($#argv == 0 || "$1" == "-h" || "$1" == "--help") then
   echo "Usage: $0:t num_digits [du_options...] [dirs...]"
   echo "where: num_digits = min number of digits in the count of 1k blocks"
   echo "       du_options = options for the du command"
   echo "       dirs       = root directories to be checked"
   echo "Example: $0:t 6"
   echo "         Show sizes that are at least 100,000k (six digits) of"
   echo "         the current directory and all subdirectories"
   echo "Example: $0:t 6 fred fred2 fred3"
   echo "         Same for fred, fred2, and fred3 trees"
   echo "Example: $0:t 6 -a fred fred2 fred3"
   echo "         Same, but show big individual files also."
   echo "Example: $0:t 6 -d 0 fred fred2 fred3"
   echo "         Same, but don't show details of any nested dir levels"
   echo "Example: $0:t 6 -d 2 fred fred2 fred3"
   echo "         Same, but only show details of 2 dir levels deep"
   exit 1
endif

set digits = $1
shift
du -c -k $*:q | grep -E "^[0-9]{$digits,}"
# -c   = Display a grand total also
# -k   = Show sizes in units of kB
exit $status