Listing 2: du_daily--Runs the daily du commands and starts reportgen

#!/bin/sh
# du_daily :run the daily du commands and start reportgen.
# lines marked with DEP must be looked at per installation

# set NOT to: extra top-level directories NOT to visit
# (restriction: NOT args must be in rootdir)
NOT='eras mnt pcfs cdrom'                               # DEP

# set AFS to the list of mounted filesystems to visit
# (use "root" for rootfilesystem)
# (restriction: AFS args must be in rootdir)
AFS="root home0 home1 home2 home3 home4 usr"            # DEP

# User to mail to
UMAIL="root"                                            # DEP

# Days to retain old du-files in olddates with du_clean
NDAYS=3                                                 # DEP

###########                                             # END-DEP

rootd(){

# To run du on the root filesystem it is not ok to
# run:  "du /" since that will run on mounted filesystems
# as well. So we have to select all but the mountpoints

KILL="^/$"
for i in  $NOT
do
KILL=$KILL"|^/$i\$"             # create egrep regexp
done

find / -mount -type d -print |
sed '/\/.*\//d' | egrep -v "$KILL"
}

EXT=`date '+%y%m%d'`                   # todays extension

for fs in $AFS
do
if test $fs = root
then
nice -10 du `rootd`  >$EXT.$fs
else
nice -10 du /$fs   >$EXT.$fs
fi
done

# Start fss_daily with user to mail to, and reporttype
# If all ends well, clean up all but keep NDAYS days and
# the 1st. of each month
./fss_daily "$UMAIL" "->+" $EXT $AFS && ./du_clean $NDAYS
$AFS