From: timr <timrandg@...>
Date: 2008-09-01T15:24:49+09:00
Subject: Re: Another Chris Pine Tutorial Question

On Aug 31, 11:21 pm, timr <timra...@gmail.com> wrote:
> On Aug 30, 1:55 pm, danielj <sleepingind...@gmail.com> wrote:
>
>
>
> >  Let's write a program which asks us to type in as many words as we
> > want (one word per line, continuing until we just press Enter on an
> > empty line), and which then repeats the words back to us in
> > alphabetical order. OK?
>
> > So... first we'll—uh... um... hmmm... Well, we could—er... um...
>
> > You know, I don't think we can do it. We need a way to store an
> > unknown amount of words, and how to keep track of them all together,
> > so they don't get mixed up with other variables. We need to put them
> > in some sort of a list. We need arrays.
> > puts "Let's make a shopping list!"
>
> > shoplist = []
>
> > while shoplist.last != ''
>
> > shoplist.push(gets.downcase.chomp)
>
> > end
>
> > shoplist.pop
>
> > puts shoplist.sort
>
> > The program asks for one word per line but there is no way one can do
> > that utilizing the methods the tutorial has expounded upon up to this
> > point so I settled for what I got here.
>
> > However, it asks you to then do this:
>
> > • Try writing the above program without using the sort method. A large
> > part of programming is solving problems, so get all the practice you
> > can!
>
> > Could somebody point me in the right direction, or give me an example
> > of how that would be possible? I'm racking my brain but I can not
> > think of a way to do it without using methods and tools that you are
> > not yet supposed to use at this point in the tutorial (i.e. regex)


SORRY. AFTER FIXING THE COMMENTS TO BE MORE READABLE--

>
> words = []
> loop do                   #loop allows one to do an indefinite amount
>                           #of something--must set an exit
>                           #inside of the loop.
> incoming = gets
> if incoming == "\n" then  #if a blank line is entered, we are done.
>                           #Sort and puts the list.
>   puts words.sort
>   exit
> else
>   words << incoming       #if data is entered, add it to the array of
> words.
> end
> end
>
> #=>
> alphabet soup
> bananas
> coca cola
> hot dogs
> kool aid
> lettuce
> milk
> potatoes
> spinach
> sugar
>
> Tim Rand