From: Robert Dober <robert.dober@...>
Date: 2009-04-27T06:11:44+09:00
Subject: Re: How to parse a "line"?

On Sun, Apr 26, 2009 at 10:56 PM, James Gray <james@grayproductions.net> wrote:
> On Apr 26, 2009, at 3:48 PM, Martin Sharon wrote:
>
>> Hi there:
>>
>> I have a line, the format is like this
>> "num_of_item item1 item2...item_n" for example
>>
>> "3 Tokyo Newyork Paris"
>>
>> I want ruby parse this format, extract these keywords and save them in
>> an array.
>> I googled and search many forums, but can't find any matches.
>>
>> Would anyone give me any ideas??
>
> If you just need to bust up the words via the spaces, this should probably
> work for you:
>
>>> items = "3 Tokyo Newyork Paris".split[1..-1]
> => ["Tokyo", "Newyork", "Paris"]

This is another opportunity to show Ruby's versatile style, e.g. functional

_, *items = "3 .a b c".split

R.