From: Mohammad Khan <mkhan@...>
Date: 2004-05-27T00:52:48+09:00
Subject: Re: delete_if woes

I think, I got you wrong.


a =  [ 'at', 'atx', 'xatx', 'xat', 'xyz' ]
rgx = Regexp.new(/at/)

a.delete_if { | x |
    (rgx =~ x).to_i > 0
}

#after this, my 'a' is
# ["at", "atx", "xyz"]
# which is logical and I dont see any odd.

# what is #{attr} from your end?




----- Original Message ----- 
From: "Zach Dennis" <zdennis@mktec.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Wednesday, May 26, 2004 10:14 AM
Subject: delete_if woes


> I am having trouble with my delete_if block.
>
> prop_array.delete_if{ |p|
> (p=~/#{attr}/).to_i > 0; }
>
> and i have tried the longer version
>
> prop_array.delete_if{ |p|
> m = (p=~/#{attr}/).to_i
> m > 0; }
>
> and i have tried
>
> prop_array.delete_if{ |p|
> (p=~/#{attr}/) != nil }
>
> It deletes every element, even when m == 0 or m == nil. Any ideas? Thanks,
>
> Zach
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