DSM-G600, DNS-3xx and NSA-220 Hack Forum

#!/ffp/bin/sh
export PATH=/ffp/sbin:/ffp/bin:$PATH

# Set Source Path
SRCPATH='/mnt/HD_a2/Data'

# Set the Destination Path
DSTPATH=/mnt/HD_b2/Backup_NAS/Data

# Set path to Fun_Plug files
# Fun_Plug 3.0 or 4.0
# ffppath=/mnt/HD_a2/fun_plug.d
# Fun_Plug 5.0
FFPPATH=/ffp

# Set Rsync
RSYNC=$FFPPATH/bin/rsync

# Set date variables
# date --help
# %w   day of week (0..6);  0 represents Sunday
# %V   week number of year with Monday as first day of week (01..53)
WEEKDAY=`date +'%w'`
YESTERDAY=`expr \( $WEEKDAY + 6 \)  % 7`
WEEKNUMBER=`date +'%V'`
# Convert the string to a number
WEEKNUMBER=`expr \( $WEEKNUMBER + 0 \)`
LASTMONTH=`expr \( 53 + $WEEKNUMBER - 4 \) % 53`
MONTHCOPY=`expr \( $WEEKNUMBER % 4 \)`

# Set directories
BACKUPDIR=/$DSTPATH/Daily/$WEEKDAY
LINKDIR=/$DSTPATH/Daily/$YESTERDAY
WEEKBACKUP=/$DSTPATH/Weekly/$WEEKNUMBER
LASTMONTHBACKUP=/$DSTPATH/Weekly/$LASTMONTH
MONTHBACKUP=/$DSTPATH/Monthly/$WEEKNUMBER

# Set logfile
LOGFILE=/$DSTPATH/Daily_$WEEKDAY.list

# Make directories
mkdir -p /$DSTPATH/Daily/
mkdir -p /$DSTPATH/Weekly/
mkdir -p /$DSTPATH/Monthly/

# Backup source paths
rm -rf $BACKUPDIR 
$RSYNC -v -x -a --delete --link-dest=$LINKDIR $SRCPATH $BACKUPDIR/ >> $LOGFILE

# Copy data for weekly and monthly purposes
if [ $WEEKDAY -eq 0 ]
then 
     rm -rf $LASTMONTHBACKUP
     rm -rf /$DSTPATH/Weekly_$LASTMONTH.list
     
     cp -al $BACKUPDIR/* $WEEKBACKUP
     cp -af $LOGFILE /$DSTPATH/Weekly_$WEEKNUMBER.list
     
     if [ $MONTHCOPY -eq 0 ]  
     then 
          rm -rf $MONTHBACKUP 
          rm -rf /$DSTPATH/Monthly_$WEEKNUMBER.list
          cp -al $BACKUPDIR/* $MONTHBACKUP
          cp -af $LOGFILE /$DSTPATH/Monthly_$WEEKNUMBER.list
     fi
fi