The backup script I use to backup the data I care about.

backup.sh

#!/usr/bin/env bash

# backup -- a time waster by Bill Israel
#
# The backup script I use to backup the data I care about.
# Is run daily via cron.

# Must have remote folder param
[ -z "$1" ] && echo -e "usage: $0 REMOTE_FOLDER\n" && exit 1

BASE_FOLDER="$HOME/"
FOLDERS=( "Music" "Pictures" "Documents" "Downloads" "src" )

# Add a trailing slash if there isn't one
[[ $1 != */ ]] && REMOTE_FOLDER="$1/" || REMOTE_FOLDER="$1"

# Ensure remote folder exists
if [ ! -d "$REMOTE_FOLDER" ]; then
    echo "$REMOTE_FOLDER doesn't exist. Creating it."
    mkdir $REMOTE_FOLDER
fi

# Back that ass up
for folder in ${FOLDERS[@]}; do
    FROM="${BASE_FOLDER}${folder}/"
    TO="${REMOTE_FOLDER}${folder}/"

    echo -e "\n[`date`] Backing up $FROM to $TO\n"
    rsync -vax --delete --ignore-errors "$FROM" "$TO"
done 

echo -e "\n\nBackup completed `date`.\n"