[Seaside] FileStream

[Mariano Martinez Peck]

On Tue, Nov 30, 2010 at 5:22 PM, alexandre bp <abalonpe at ulb.ac.be> wrote:

> You are right!
> sorry I didn't know there were a different mailinglist for pharo.
>
>
no problem, it was just for you, for me it is the same ;)


> cheers
> alex
>
> 2010/11/30 Mariano Martinez Peck <marianopeck at gmail.com>
>
> Alexandre, maybe you will receive more answers if you ask directly in the
>> pharo mailing list instead of seaside, since Files doesn't have anything to
>> do with seaside ;)
>>
>> http://www.pharo-project.org/community
>>
>> On Mon, Nov 29, 2010 at 10:20 PM, alexandre bp <abalonpe at ulb.ac.be>wrote:
>>
>>> Thank you very much for your help.
>>> The thing is that, when I  first got the exception, I deleted  the
>>> file manually in the Pharo folder so I'm pretty sure it doesn't exist.
>>> Maybe that when I do: "aStream := FileStream newFileNamed:filename" Pharo
>>> looks everywhere in my computer than it might find a file named 'test'
>>>
>>
>> No, that shouldn't happen. What if you do  FileDirectory defaul
>> newFileNamed: filename
>>
>> does it work?
>>
>> BTW..did you read Pharo by Example?  Because there is a whole chapter
>> explaining Streams and files....I am very bad with them, I always forget how
>> to do trivial things and I need to check there...
>>
>> http://pharobyexample.org/
>>
>> Cheers
>>
>> Mariano
>>
>>
>>> or with a part of it named which is 'test'...but the file was created in
>>> the Pharo folder so I assume it must look only there to find a file, no?
>>>
>>
>> yes
>>
>>
>>> alex
>>>
>>>
>>> 2010/11/28 Levente Uzonyi <leves at elte.hu>
>>>
>>> On Sat, 27 Nov 2010, alexandre bp wrote:
>>>>
>>>>  Hi,
>>>>>
>>>>> I'm having trouble with the FileStream....
>>>>>
>>>>> I have tried several things:
>>>>> filename := 'test'.
>>>>> aStream := StandardFileStream new.
>>>>> 1) aStream := FileStream newFileNamed:filename.
>>>>> 2) aStream := filename asFilename writeStream.
>>>>>
>>>>> 1) this solution worked one time but when I tried to create other
>>>>> files with other names (whatever the name) I get an exception:
>>>>> FileExistsException
>>>>> 2) doesn't work at all. I get an exception as well:
>>>>> MessageNotUnderstood: ByteString>>asFilename.
>>>>>
>>>>
>>>> How to use FileStreams?
>>>>
>>>> existingReadOnlyFile := FileStream readOnlyFileNamed: 'foo'. "raises an
>>>> exception if the file doesn't exist"
>>>> existingReadableAndWriteableFile := FileStream oldFileNamed: 'foo'.
>>>> "raises an exception if the file doesn't exist"
>>>> readableAndWriteableFile := FileStream fileNamed: 'foo'. "automatically
>>>> creates the file if it doesn't exist"
>>>> newReadableAndWriteableFile := FileStream newFileNamed: 'foo'. "raises
>>>> an exception if the file exists"
>>>> newReadableAndWriteableFile := FileStream forceNewFileNamed: 'foo'.
>>>> "deletes the file if it exists"
>>>>
>>>> All of these methods have a do: variant. For example:
>>>> FileStream readOnlyFileNamed: 'foo' do: [ :file | file contents "This
>>>> will close the file and return it's contents." ].
>>>>
>>>> When to use StandardFileStream?
>>>> Only when you don't need character encoding or line-end conversion.
>>>>
>>>>
>>>>
>>>>> I don't know what to do.... I don't understand why I have the
>>>>> exception FileExistsException even thought the name I give to filename
>>>>> is different...
>>>>>
>>>>
>>>> Are you sure that the file doesn't exist? Some systems (windows and most
>>>> macs) are case insensitive, so if you have a file named 'TEST', then you
>>>> also have 'test' and 'Test', etc.
>>>>
>>>>
>>>> Levente
>>>>
>>>>
>>>>> Thx for your help
>>>>>
>>>>> alex
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>>>>>
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