Backup files on Mac using command line

backup.sh

#!/bin/bash

currdate=`date +"%Y-%m-%d %T"`

folders=("Backup Documents Sites")

echo -e "\n---[${currdate}]---\n" >> ~/backup_stdout.log
echo -e "\n---[${currdate}]---\n" >> ~/backup_stderr.log

for folder in $folders
do
  echo "Copying $folder..."
  #ls ~/$folder 1>> ~/backup_stdout.log 2>> ~/backup_stderr.log
  rsync -ahP ~/$folder /Volumes 1>> ~/backup_stdout.log 2>> ~/backup_stderr.log
done

rsync.md

Backup folder to a network folder

Syntax:

rsync -ahP {source} {destination} 2> ~/Desktop/rsyncErrors.txt

Example:

rsync -ahP ~/Documents /Volumes/backup 2> ~/Desktop/rsyncErrors.txt

tar.md

Backup:

Backup folder

tar --exclude=.DS_Store --no-mac-metadata --totals -cvzf ~/MagPi.tar.gz ~/Bookshelf/MagPi

Split archive into parts

split -d -b 1G MagPi.tar.gz "MagPi.tar.gz.part"

Restore:

Join parts into archive

cat MagPi.tar.gz.part* > MagPi.tar.gz

Check archive

tar -tvzf ~/MagPi.tar.gz

Extract archive

tar -xvzf ~/MagPi.tar.gz