From: Tom Cloyd <tomcloyd@...>
Date: 2008-03-15T23:22:21+09:00
Subject: Re: baffling undefined method error - addendum

Bob Hutchison wrote:
>
> On 15-Mar-08, at 9:33 AM, Tom Cloyd wrote:
>
>> Tom Cloyd wrote:
>>> I'm getting an error I can't account for. In a method I've written I 
>>> open a file and access a yaml store:
>>>
>>> archive_stored_list = 'archive_stored_list.yml'
>>> archives_stored_catalog = File.open(archive_stored_list) {|i| 
>>> YAML.load(i)}
>>>
>>> I massage the data a bit, and want to write it back out to the same 
>>> file. I try to close the file so I can open it for output, but get 
>>> an error:
>>>
>>> archives_stored_catalog.close # <= "undefined method `close'" error 
>>> is written to log file here
>>> open(archive_stored_list,"w")  {|i| 
>>> YAML.dump(archives_stored_catalog,i)}
>>>
>>> Why is this giving an error? Isn't the IO.close method always 
>>> available? Very confusing.
>>>
>>> This usage is straight out of Programming Ruby 2nd edition, but it 
>>> doesn't work for me, and I can't see the error.
>>>
>>> Would appreciate any help.
>>>
>>> Tom
>>>
>> If I do NOT try to close the file (and in all the examples I've 
>> found, this isn't done - I just see an open to read, followed by 
>> another open to write), I get a "Permission denied - 
>> archive_stored_list.yml" message. That makes no sense. There CAN'T be 
>> a permission problem. I just READ the file.
>>
>> I await higher wisdom.
>
> Don't count on it from me, but do you have write permission on the file?
>
> Cheers,
> Bob
>
Yes I sure do.

~t .

-- 

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Tom Cloyd, MS MA, LMHC
Private practice Psychotherapist
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