Shell Script to take Backup Files & Directory

Step 1 : create a file /path/to/backupfilelist.txt which contains the files & directory which you want to take bacup



Step 2 : Write a script backup_files_and_directory.sh

#!/bin/sh

#Script for take a backup of list of files and directory in one compress file

 

#file format which contains backup files & directory

FILENAME="`date +%d-%m-%Y`.tar.gz"

#This file contains the files & directory which we are going to take backup

BACKUPFILELIST="/path/to/backupfilelist.txt"

#Directory where backup kept

BACKUPDIRECTORY="/root/filebackup"

TAR=`which tar`

 

#create backup directory if not exist

if [ ! -d $BACKUPDIRECTORY ]; then

mkdir -p /root/filebackup

fi

#check backupfilelist.txt is available or not

if [ -f $BACKUPFILELIST ]; then

        BACKUPFILE=`cat $BACKUPFILELIST | grep -E -v "^#"`

else

        echo "File not Exist...Please create Backup file first"

        exit 1

fi

#check for the backupfilelist.txt null or not

if [ $BACKUPFILELIST = "" ]; then

        echo "Backup file list is empty..Please add some files or directory to take backup"

        exit 2

fi

#take a bakcup

$TAR -zcvf $BACKUPDIRECTORY/$FILENAME $BACKUPFILE > /dev/null



Step 3 : make script executable 

#chmod +x backup_file_and_directory.sh

Step 4 : execute file

#./backup_file_and_directory.sh