Shell Programming and Scripting

#!/bin/sh 
#Automated clients expire check script. 
#Purpose: checks if a clients date is expired. 
## ## ## written by David Tan ## ## ## ## 
USER=taree65 
TEMP=/tmp 
JOB=/check-expire 
TARGET1=/var/etc 
TARGET2=/var/config 
FILE1=CCcam.cfg 
FILE2=all_expired_clients.txt 
FILE3=expired_clients.txt 
TARGET2=/var/config 
TARGET1=/var/etc 
BACKUPDIR=/var/backup 
CONFIGOLD=CCcam.old 
if test -f $TARGET2/$FILE1 ; then 
        echo "New Config Present for 3AXES" 
        if test -d $BACKUPDIR ; then 
                if test -f $BACKUPDIR/$CONFIGOLD ; then 
                        echo "Removing OLD config file from backup directory" 
                        rm $BACKUPDIR/$CONFIGOLD 
                else 
                        echo "No OLD config to remove." 
                fi
                if test -f $BACKUPDIR/$FILE1 ; then 
                        echo "Renaming Backup to old config" 
                        cp $BACKUPDIR/$FILE1 $BACKUPDIR/$CONFIGOLD 
                        rm $BACKUPDIR/$FILE1 
                else 
                        echo "No Backupfile present yet" 
                fi 
                if test -f $TARGET1/$FILE1 ; then 
                        echo "Copying Original config to Backup directory" 
                        cp $TARGET1/$FILE1 $BACKUPDIR 
                        rm $TARGET1/$FILE1 
                else 
                        echo "No Original Config File Present!?!?" 
                fi 
        else 
                echo "Backup directory does not exist." 
                echo "making new directory" 
                mkdir $BACKUPDIR 
                if test -f $TARGET1/$FILE1 ; then 
                        echo "Copying Original config to Backup directory" 
                        cp $TARGET1/$FILE1 $BACKUPDIR 
                else 
                        echo "No Original Config File Present!?!?" 
                fi 
        fi 
        echo "Moving New config file to "$TARGET1 
        cp $TARGET2/$FILE1 $TARGET1 
        rm $TARGET2/$FILE1 
else 
       echo "No New Config present, Nothing to process" 
fi 
sleep 5 
echo "read the config for soon-to expire clients" 
d=$(date -d +7days +%d-%m-%Y) 
fgrep "##$d" $TARGET1/$FILE1 | while read f client rest
do
    echo "Warning client $client will expire on $d" >> $TARGET2/expire_soon.txt
done
sleep 5 
echo "read the config for expired clients" 
grep $(date +%d-%m-%Y) $TARGET1/$FILE1 >>$TARGET1/$FILE3 
sleep 1 
echo "sed -i '/$(date +%d-%m-%Y)/d' /var/etc/CCcam.cfg" > $TEMP/$JOB 
chmod 755 $TEMP/$JOB 
$TEMP/$JOB 
rm $TEMP/$JOB 
echo "set expired clients to no share !!" 
sleep 1 
sed 's/{ 0:0:1 }/{ 0:0:0 } ## expired !!/g' $TARGET1/$FILE3 >> $TARGET2/$FILE1 
sleep 1 
cat $TARGET1/$FILE3 >> $TARGET2/$FILE2 
sleep 2 
echo "adding old clients and settings to config" 
sleep 1 
cat $TARGET1/$FILE1 >> $TARGET2/$FILE1 
sleep 1 
echo "removing old files" 
rm $TARGET1/$FILE3 
rm $TARGET1/$FILE1 
sleep 2 
echo "Moving New config file to /var/etc" 
cp $TARGET2/$FILE1 $TARGET1 
chown $USER $TARGET2/$FILE2 
chown $USER $TARGET2/$FILE1 
chmod 777 $TARGET2/$FILE1 
exit