[Seaside] FileStream

[alexandre bp]

You are right!
sorry I didn't know there were a different mailinglist for pharo.

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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