gistfile1.txt

    $ set -- one 'foo bar' three
    $ ruby -e 'puts ARGV.count, ARGV.last' "$@ extra"
    3
    three extra
    $ args="$@ extra"
    $ ruby -e 'puts ARGV.count, ARGV.last' "$args"
    1
    one foo bar three extra
    $ ruby -e 'puts ARGV.count, ARGV.last' $args
    5
    extra
    $ argsarr=("$@")
    $ ruby -e 'puts ARGV.count, ARGV.last' "${argsarr[@]} extra"
    3
    three extra