From: Li Chen <chen_li3@...>
Date: 2006-10-24T03:02:21+09:00
Subject: Re: How to remove empty element in an array

Joel VanderWerf wrote:
> Farrel Lifson wrote:
>> On 23/10/06, Li Chen <chen_li3@yahoo.com> wrote:
>>> Hi all,
>>>
>>> I have an array of [1,2,''] I want change it to [1,2]. I check the
> ...
>> If you only want to get rid of empty strings
>> array.reject{|element| element.empty?}
> 
> array.reject{|element| element.empty? rescue false}

Hi Joel,

I come out with  my own solution by using a regxp:

a=[1,2,'','']
a.delete_if {|x| x=~/$/}
p  a

##output
C:\Ruby\self>array3.rb
[1, 2]

-- 
Posted via http://www.ruby-forum.com/.