#!/bin/bash
#

##### Constants

FILENAME=
SAVEPATH=
TITLE="Hello $USER! Let's back something up!"
TIMESTAMP="$(date +"%m-%d-%Y")"
DIR_TREE="$(dir)"
SELECTION=
PWD="$(pwd)"


##### Functions

function dir_tree
{
        echo "$TITLE"
        echo ""
        echo " You are here: $PWD"
        echo "These are the Files/Directories in $PWD"
        echo "$DIR_TREE"
}

function press_enter
{
        echo ""
        echo -n "Please press Enter to continue:  "
        read
        clear
}

##### Main

until [ "$SELECTION" = "n" ]; do
 echo ""
        dir_tree
        echo ""
        echo ""
        echo "What would you like to backup? >  "
        read FILENAME
        if [ "$FILENAME" = "\ " ]; then
                exit 1;
        fi
        echo ""
        echo ""
        echo "Where would you like the new .tar.gz archive for $FILENAME stored? (just specify directory, filename is automatic) >  "
        read SAVEPATH
        if [ "$SAVEPATH" = "\ " ]; then
                exit 1;
        fi
        echo
        echo "O.K. - so you want to archive $FILENAME  to $SAVEPATH ? (y for yes, n to quit) >  "
        read SELECTION
        case $SELECTION in
                y ) tar -cjvf "$SAVEPATH$TIMESTAMP-of-$FILENAME.tar.gz" $FILENAME; exit;;
                n ) exit;;
                * ) echo "Invalid character... Please type in y or n to continue"; press_enter;;
        esac

done

if [ -z $FILENAME ]; then
    echo "No filename specified. Exiting..."; exit 1;