filesync.sh

#!/bin/bash

##### Script to sync / backup my media downloads to a USB hard drive
##### 2016 Jeremy Sparks

clear

datevar=$( date +%r )

echo
echo "Filesync script started at"$datevar" by user: "$USER""

##### Performs a dry run of the rsync commands using a separate BASH script and counts the lines of output.
##### If this output is more than 50 then there must be files to transfer.

    dryrun=$( ./filesync/dry-run.sh | wc -l )

    if [ $dryrun -le 50 ]; then

    printf "\nAll files are already synced and up to date.\n\n"

##### Prompts user for input.

    else

    printf "\n\nPlease select from the following file types to sync:\n"

    printf "\n--- documents\n--- scripts\n--- pictures\n--- music\n--- videos\n--- downloads\n--- all\n"

    printf "\nType documents, scripts, pictures, music, videos, downloads or all:\n\n"

##### This script also takes input from command line using an "all" flag (useful for running on a Crontab job).

    if [ $# -lt 1 ]; then

    read input

        case $input in

##### Runs rsync to sync everything from the USB HDD to the PC, then the other way.
##### Files will be updated if they are larger in file size but timestamps are ignored (with the exception of documents and scripts).

            documents)
            printf "\nDocuments option selected\n\n"
            rsync -havp --progress --update /media/jeremy/SAMSUNG/Documents/ /home/jeremy/Documents/
            rsync -havp --progress --update /home/jeremy/Documents/ /media/jeremy/SAMSUNG/Documents/
            ;;
            scripts)
            printf "\bScripts option selected\n\n"
            rsync -havp --progress --update /media/jeremy/SAMSUNG/bin/ /home/jeremy/bin/
            rsync -havp --progress --update /home/jeremy/bin/ /media/jeremy/SAMSUNG/bin/
            ;;
            pictures)
            printf "\nPictures option selected\n\n"
            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Pictures/ /home/jeremy/Pictures/
            rsync -havp --progress --size-only /home/jeremy/Pictures/ /media/jeremy/SAMSUNG/Pictures/
            ;;
            music)
            printf "\nMusic option selected\n\n"
            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Music/ /home/jeremy/Music/
            rsync -havp --progress --size-only /home/jeremy/Music/ /media/jeremy/SAMSUNG/Music/
            ;;
            videos)
            printf "\nVideos option selected\n\n"
            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Videos/ /home/jeremy/Videos/
            rsync -havp --progress --size-only /home/jeremy/Videos/ /media/jeremy/SAMSUNG/Videos/
            ;;
            downloads)
            printf "\nDownloads option selected\n\n"
            rsync -havp --progress --size-only  /media/jeremy/SAMSUNG/Downloads/ /home/jeremy/Downloads/
            rsync -havp --progress --size-only /home/jeremy/Downloads/ /media/jeremy/SAMSUNG/Downloads/
            ;;
            all)
            printf "\nSync all option selected\n\n"
            rsync -havp --progress --update /media/jeremy/SAMSUNG/Documents/ /home/jeremy/Documents/
            rsync -havp --progress --update /home/jeremy/Documents/ /media/jeremy/SAMSUNG/Documents/

            rsync -havp --progress --update /media/jeremy/SAMSUNG/bin/ /home/jeremy/bin/
            rsync -havp --progress --update /home/jeremy/bin/ /media/jeremy/SAMSUNG/bin/

            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Pictures/ /home/jeremy/Pictures/
            rsync -havp --progress --size-only /home/jeremy/Pictures/ /media/jeremy/SAMSUNG/Pictures/

            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Music/ /home/jeremy/Music/
            rsync -havp --progress --size-only /home/jeremy/Music/ /media/jeremy/SAMSUNG/Music/

            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Videos/ /home/jeremy/Videos/
            rsync -havp --progress --size-only /home/jeremy/Videos/ /media/jeremy/SAMSUNG/Videos/

            rsync -havp --progress --size-only  /media/jeremy/SAMSUNG/Downloads/ /home/jeremy/Downloads/
            rsync -havp --progress --size-only /home/jeremy/Downloads/ /media/jeremy/SAMSUNG/Downloads/
            ;;
            *)
            printf "\nSorry, your input was not recognised.\n\n"
            ;;

        esac

    printf "\nThank you. Your file sync has been completed.\n\n"

exit 0

    else

##### Code to run if the "all" argument is passed from the command line.

        case "$1" in

            all)
            rsync -havp --progress --update /media/jeremy/SAMSUNG/Documents/ /home/jeremy/Documents/
            rsync -havp --progress --update /home/jeremy/Documents/ /media/jeremy/SAMSUNG/Documents/

            rsync -havp --progress --update /media/jeremy/SAMSUNG/bin/ /home/jeremy/bin/
            rsync -havp --progress --update /home/jeremy/bin/ /media/jeremy/SAMSUNG/bin/

            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Pictures/ /home/jeremy/Pictures/
            rsync -havp --progress --size-only /home/jeremy/Pictures/ /media/jeremy/SAMSUNG/Pictures/

            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Music/ /home/jeremy/Music/
            rsync -havp --progress --size-only /home/jeremy/Music/ /media/jeremy/SAMSUNG/Music/

            rsync -havp --progress --size-only /media/jeremy/SAMSUNG/Videos/ /home/jeremy/Videos/
            rsync -havp --progress --size-only /home/jeremy/Videos/ /media/jeremy/SAMSUNG/Videos/

            rsync -havp --progress --size-only  /media/jeremy/SAMSUNG/Downloads/ /home/jeremy/Downloads/
            rsync -havp --progress --size-only /home/jeremy/Downloads/ /media/jeremy/SAMSUNG/Downloads/
            ;;

        esac

    printf "\nThank you. Your file sync has been completed.\n\n"

    fi

    fi

exit 0