Hi Marco,

If the content of a file is written to another file without
intermediate steps, it is streamed and consumes constant memory. The
implementation for streaming the data was deficient.

The bug has been fixed; a new snapshot is available [1,2].

Grazie e ciao,
Christian

[1] https://github.com/BaseXdb/basex/issues/2117
[2] https://files.basex.org/releases/latest/


On Fri, May 27, 2022 at 11:40 PM Marco Lettere <m.lett...@gmail.com> wrote:
>
> Oh yes thanks. Forgot to mention this. Forcing utf8 doesn't help.
>
> Il ven 27 mag 2022, 19:26 Bridger Dyson-Smith <bdysonsm...@gmail.com> ha 
> scritto:
>>
>> Marco -
>> I'm sorry but I can only corroborate your findings, and that trying to force 
>> UTF-8 by adding the encoding parameter to the functions doesn't seem to 
>> help; e.g.
>>
>> ) ./bin/basex
>> BaseX 9.7.1 [Standalone]
>> Try 'help' to get more information.
>> > xquery file:current-dir()
>> /usr/home/bridger/bin/basex/
>> Query executed in 886.62 ms.
>> > xquery file:write-text("a1.txt", "°" || out:nl(), "UTF-8")
>>
>> Query executed in 4.32 ms.
>> > xquery file:read-text("a1.txt")
>> °
>>
>> Query executed in 1.99 ms.
>> > xquery file:write-text("a2.txt", file:read-text("a1.txt", "UTF-8"), 
>> > "UTF-8")
>>
>> Query executed in 1.83 ms.
>> > xquery file:read-text("a2.txt")
>> [file:io-error] Decoding error: xb0
>> > xquery file:read-text("a2.txt", "UTF-8")
>> [file:io-error] Decoding error: xb0
>> > xquery file:read-text("a2.txt", "ISO-8859-1")
>> °
>>
>> Query executed in 2.01 ms.
>>
>> On Fri, May 27, 2022 at 1:00 PM Marco Lettere <m.lett...@gmail.com> wrote:
>>>
>>> Dear all,
>>>
>>> after wrapping our heads around this for hours today, we don't know how
>>> to get rid of this inconsistency. Thus I ask for help ...
>>>
>>> SSCE:
>>>
>>> BaseX 9.6.4 [Standalone]
>>> Try 'help' to get more information.
>>>  > xquery file:write-text("a1.txt", "°" || out:nl()) (: Same with
>>> codepoints-to-string(176) instead of "°" :)
>>>
>>> Query executed in 183.94 ms.
>>>  > xquery file:read-text("a1.txt")
>>> °
>>>
>>> Query executed in 1.49 ms.
>>>  > xquery file:write-text("a2.txt", file:read-text("a1.txt"))
>>> Query executed in 3.4 ms.
>>>
>>>  > xquery file:read-text("a2.txt")
>>> [file:io-error] Decoding error: xb0
>>>
>>> Testing the files with linux command-line tool "file", this is the output:
>>>
>>>  > file a1.txt
>>> a1.txt: Unicode text, UTF-8 text
>>>
>>>  > file a2.txt
>>> a2.txt: ISO-8859 text
>>>
>>> Reading the file after "copying" it seems to change the encoding. How is
>>> this supposed to be handled?
>>>
>>> Regards,
>>>
>>> Marco.
>>>

Reply via email to