From: Daniel Finnie <danfinnie@...>
Date: 2007-01-16T09:10:22+09:00
Subject: Re: Can anyone try to solve this problems?

That is the classic searching algorithm (almost).  However there is 
something more idiomatic.

Here's an example to find the biggest number:
[1, 2, 3].max {|a, b| a <=> b }

Try to adapt the array contents in that and the block to find the 
longest string.

Dan

David Madden wrote:
> 
>>   2. Write a function to find the longest string in an array of strings.
>>
> Is this from the Brian Schroder Ruby Course PDF?
> 
> Here is my function (no doubt a better on exists):
> 
> def longest(a)
>   word = ''
>   a.each do |i|
>     if word.length < i.length
>       word = i
>     end
>   end
>   word
> end
> 
> 
> a = ['a', 'fish', 'is', 'messy', 'dog']
> 
> puts longest(a)
> 
> 
> 
> 
>