# Check to see if a command exists
function command_exists {
    command -v "$1" &> /dev/null
}

function do_log {
    printf "[%s] %s: %s" "$(`basename $BASH_SOURCE`)" "`date`" "$1" >> $logfile
}

function do_link {
    if [ -h "$2" ]; then
        rm "$2"
    fi
    ln -sf "$1" "$2"
}