Re: Error: Stack overflow
Re: Error: Stack overflow
- Subject: Re: Error: Stack overflow
- From: Paul Berkowitz <email@hidden>
- Date: Tue, 29 Apr 2003 08:09:28 -0700
Same.
--
Paul Berkowitz
>
From: "G?ran Ehn" <email@hidden>
>
Date: Tue, 29 Apr 2003 16:58:16 +0200
>
To: Paul Berkowitz <email@hidden>, Applescript-Users
>
<email@hidden>
>
Subject: Re: Error: Stack overflow
>
>
Is this fault the same when using OS X or does OS X handle
>
read command differently?
>
/goran
>
>
>
On Tue, 29 Apr 2003 07:34:36 -0700
>
Paul Berkowitz <email@hidden> wrote:
>
> It's nothing to do with the script editor. That's a
>
> different limitation.
>
> You'd get the same error running the script from an
>
> applet. It's a
>
> limitation of the 'read' command. It's limit must be far
>
> higher than the
>
> 30,000 bytes I'm using, but I don't know what it is, and
>
> 30K always works.
>
> Since the read command is extremely fast, breaking it
>
> into chunks this size
>
> still doesn't take much time and is safe. I'm open to
>
> hearing from anyone as
>
> to a higher number of bytes that's guaranteed to work
>
> 100% without error.
>
>
>
> --
>
> Paul Berkowitz
>
>
>
>
>
>
>
>> From: "G?ran Ehn" <email@hidden>
>
>> Date: Tue, 29 Apr 2003 16:26:35 +0200
>
>> To: Paul Berkowitz <email@hidden>,
>
>> Applescript-Users
>
>> <email@hidden>
>
>> Subject: Re: Error: Stack overflow
>
>>
>
>> OK, I see, I had some similair idea of splitting the
>
>> file
>
>> in my head, but I thought that it must be possible to
>
>> read
>
>> the whole file at once. But I guess its not possible,
>
>> right? Is this due to limitations the script editor
>
>> itself?
>
>> /goran
>
>>
>
>>
>
>> On Tue, 29 Apr 2003 06:53:03 -0700
>
>> Paul Berkowitz <email@hidden> wrote:
>
>>> On 4/29/03 6:38 AM, "G?ran Ehn" <email@hidden>
>
>>> wrote:
>
>>>
>
>>>> I'm reading a file from disk which is about 1200 lines
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>>>> (52k) which is not very large in my mind. However I get
>
>>>> this error telling me "stack overflow" when reading
>
>>>> large
>
>>>> files, smaller files are reads ok though. Is there a way
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>>>> to control memory in AS or is it just a lack in the
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>>>> script
>
>>>> editor (1.8.3 under OS 9.2.2)? Any workarounds for this
>
>>>> kind of problem?
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>>>>
>
>>>> read my_xmlfile as string to eof --reads the file
>
>>>
>
>>>
>
>>> set fileRef to open for access alias "file:path"
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>>> try
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>>> set r to read fileRefon error
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>>> on error
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>>> set r to my ReadPartials(fileRef)
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>>> end try
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>>>
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>>> on ReadPartials(fileRef)
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>>>
>
>>> local b, y, r, textClump
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>>>
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>>> set b to 1
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>>> set y to 30000
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>>>
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>>> set r to ""
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>>>
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>>> set finished to false
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>>>
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>>> repeat until finished
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>>>
>
>>> try
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>>> set textClump to read fileRef from b to y
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>>> set r to r & textClump
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>>> on error -- last text clump
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>>> set textClump to read fileRef from b to eof
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>>> set r to r & textClump
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>>> set finished to true
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>>> end try
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>>>
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>>> set {b, y} to {b + 30000, y + 30000}
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>>>
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>>> end repeat
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>>>
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>>> return r
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>>>
>
>>> end ReadPartials
>
>>>
>
>>>
>
>>>
>
>>> --
>
>>> Paul Berkowitz
>
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>
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>
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