backup-rotation-script/rotate.sh

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#!/bin/bash
# Author: Marcello Torchio
# Set the directory name that you wish to backup
DIRTOBACKUP=$1
# Set up the backup destination directory
BACKUPDIRDEST=$2
# Set up the number of days for backup rotation
NUMDAYS=7;
# Start logging
echo "["$(date)"] - Started Backup"
# Check if the destination dir exists. If not create it
if [ ! -d "$BACKUPDIRDEST/"$(date +"%m-%d-%Y")"/" ]; then
# Creates directory for today's backup
mkdir $BACKUPDIR/"$(date +"%m-%d-%Y")"
fi
# Echo the log line.
echo "["$(date)"] - Backup directory $DIRTOBACKUP in $BACKUPDIRDEST/"$(date +"%m-%d-%Y")"/"
# Execute the backup command. This backup consist in a recursive copy of the source dir into destination dir
cp -R $DIRTOBACKUP $BACKUPDIRDEST/"$(date +"%m-%d-%Y")"/
TOTMB=$(du $BACKUPDIRDEST/"$(date +"%m-%d-%Y")"/ -hs)
echo "["$(date)"] - Finished Backup - $TOTMB Copied"
# Search for folders older than NUMDAYS days and remove them. This makes possible rotation of backups
for i in `find $BACKUPDIRDEST/ -maxdepth 1 -type d -mtime +$NUMDAYS -print`;
do
echo -e "["$(date)"] - Found outdated backup folder! Deleting directory $i";
\rm -rf $i;
done