From: Derek Smith <derekbellnersmith@...>
Date: 2009-10-27T00:46:26+09:00
Subject: Re: file open failure test

Bertram Scharpf wrote:
> Hi,
> 
> Am Montag, 26. Okt 2009, 18:40:20 +0900 schrieb Robert Klemme:
>> If you just want the boolean information whether the open succeeded or
>> not you can do this:
>> 
>> irb(main):010:0> File.open("mm").close || true rescue false
>> => true
>> irb(main):011:0> File.open("not existent").close || true rescue false
>> => false
> 
> If you just want to test then ask:
> 
>   File.stat("xx").readable?
> 
> As Robert pointed out it is better straight to do what you want to
> do and catch the exceptions where they happen.
> 
> Bertram


Thanks you guys!  I understand, but coming from (nasty) Perl land there 
are
differences.  But why the .close here File.open("mm").close ?
What does it do... auto close at end of the block?
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