Backup compressing your files from a directory. Useful to run from Cron.d

backup-files.sh

#!/bin/bash
DATE="$(date '+%d.%m.%Y')"
ALLPROJECTSDIR='/var/www/html' || $3; # Type you projects folder. It could be /home/user/public_html
PROJECT=$1 # Project's Name is needed as script argument!
PROJECTDIR="$ALLPROJECTSDIR/$PROJECT"
BACKUPDIR="$HOME/backup" || $2
PROJECTBACKUPDIR="$BACKUPDIR/$PROJECT"
CAPACITYLIMIT=95  # Setup your capacity limit
CURRENTCAPACITY=$(df -h $BACKUPDIR | tail -1 | awk '{print $5}' | cut -d '%' -f 1)
LOGFILE="$HOME/log/backup-files-$PROJECT.log"

[ ! -e $LOGFILE ] && touch $LOGFILE   # Create the logfile if doesn't exist
echo "$DATE\n" >> $LOGFILE

if [ $CURRENTCAPACITY -lt $CAPACITYLIMIT ]
then
    if [ -d "$PROJECTDIR" ]; then
        [ ! -d "$BACKUPDIR" ] && mkdir $BACKUPDIR  # Creates backup folder if doesn't exist
        [ ! -d "$PROJECTBACKUPDIR" ] && mkdir $PROJECTBACKUPDIR  # Creates a project folder inside backups dir
        tar -zcf $PROJECTBACKUPDIR/$PROJECT-$DATE.tar.gz $PROJECTDIR
        echo "Backup created in: $BACKUPDIR" >> $LOGFILE
    fi
else
    echo "There isn't enough free space in backup directory!!" >> $LOGFILE
fi