#!/usr/local/bin/ksh
#################################################################################
# Script	ecs.backup							#
# Description	Changes ecs.cfg to current backup name.				#
# Written On    05/06/01                                                        #
# Modifications	12/11/01 - Added the ability to discern changes from the file	#
#		previous.  If there were changes then we copy the yesterday	#
#		file to an archive directory for an indefinite period of time.	#
#		- rmorten							#
# Written By    Rick Mortensen                                                  #
#################################################################################

# Program Variables
bkdate=/bin/bkdate
awk=/usr/bin/awk
htod=/home/bin/htod
dtoh=/home/bin/dtoh
DAYMINUS30=`$bkdate -d30 '+%y%m%d'`
YESTERDATE=`$bkdate -d1 '+%m/%d'`
YESTERDAY=`$bkdate -d1 '+%y%m%d'`
DATE=`date '+%m/%d'`
DAY=`date '+%y%m%d'`
SERIAL=`date '+%y%m%d%H%M%S'`

# Directory Variables
ECSDIR=/usr/ECS
ARCHIVEDIR=$ECSDIR/Config.Archive

# File Variables
CFG=$ECSDIR/ecs.cfg
LASTFILENAME=`cat $ECSDIR/last.cfg.filename`
TODAYFILENAME=ecs.$SERIAL.cfg

# Test for tmp file and if it missing, exit
if [ -s $CFG ]
 then
  :
 else
  echo "\ncfg file missing; exiting...\n"
  exit
fi

mv $CFG $ECSDIR/$TODAYFILENAME
/usr/bin/diff $ECSDIR/$TODAYFILENAME $ECSDIR/$LASTFILENAME > /dev/null 2>&1
if [ $? -eq 1 ]
 then
  cp $ECSDIR/$LASTFILENAME $ARCHIVEDIR/$LASTFILENAME
fi
rm -fr $ECSDIR/*${DAYMINUS30}*
echo ecs.$SERIAL.cfg > $ECSDIR/last.cfg.filename