:
##########################################################################
# Shellscript:	top10 - show top 10 directory users
# Version    :	0.1 (beta)
# Author     :	Heiner Steven (heiner.steven@odn.de)
# Date       :	10/21/94
# Category   :	System Administration, File Utilities
# SCCS-Id.   :	$Id: top10,v 1.1.1.1 1999/06/15 19:29:05 heiner Exp $
##########################################################################
# Description
#
##########################################################################

PN=`basename $0`			# program name
VER='0.1 (beta)'

MailDir=/usr/spool/mail

Usage () {
    echo "$PN - show top 10 directory users, $VER (stv '94)
usage: $PN [directory ...]

If no directory is specified, $MailDir is the default." >&2
    exit 1
}

[ $# -gt 0 -a "$1" = "-h" ] && Usage

# set the default directory
[ $# -lt 1 ] && set $MailDir

ls -l "$@" |
    awk '
	(NF == 8) {
	    # example of a line:
	    # -rw-------  1 andrea     286282 Oct 21 11:24 andrea
	    Usage [$3] += $4	# used bytes, username is index
	    Count [$3]++
	    TotalBytes += $4
	    TotalFiles++
	}
	END {
	    for ( user in Usage ) {
		TotalUsers++;
		printf "%-15s %12d	(%d files, %2d%%)\n", \
		    user, Usage [user], Count [user], \
		    Usage [user] * 100 / TotalBytes
	    }
	    #printf "%d users, %d files, %d KB\n", \
	    #	TotalUsers, TotalFiles, TotalBytes/1024
	}
    ' | sort -nr +1 | head
exit 0