Re: Large archive support

Marvellous, looks like the answer is yes, I'll have a play with the
examples (I should probably have looked there first really).

Thanks.

On Sun, 8 Oct 2023 08:27:59 -0700 (PDT)
PB <[email protected]> wrote:

> On Sunday, October 8, 2023 at 2:03:27 PM UTC+2 jon bird wrote:
> 
> the wxZipInput/OutputStream classes) supports the creation/unpacking
> of files over 4GB? Wikipedia refers to this as "ZIP64".
> 
> 
> Hi,
> 
> this should be trivial to test with wxWidgets sample *archive*. The
> param listing for the sample also has "--force-zip64 Force ZIP64
> format when creating ZIP archives".
> 
> And it worked fine for me with GIT master built as 64-bit with MSVC
> on Windows:
> d:\Dev\Desktop\Lib\wxWidgets-PB-build-vc17_x64_DLL\lib\vc_x64_dll>dir 
> test*.mkv
> 08/21/2019  10:00 PM     7,036,940,207 test1.mkv
> 03/23/2019  04:52 AM     8,532,807,786 test2.mkv
>                2 File(s) 15,569,747,993 bytes
>                0 Dir(s)  363,879,571,456 bytes free
> 
> d:\Dev\Desktop\Lib\wxWidgets-PB-build-vc17_x64_DLL\lib\vc_x64_dll>archive 
> --force-zip64 c bigarchive.zip test1.mkv test2.mkv
> Adding test1.mkv...
> Adding test2.mkv...
> Created archive
> 
> dir bigarchive.zip
> 10/08/2023  05:21 PM    15,528,442,301 bigarchive.zip
>                1 File(s) 15,528,442,301 bytes
>                0 Dir(s)  347,433,095,168 bytes free
> 
> d:\Dev\Desktop\Lib\wxWidgets-PB-build-vc17_x64_DLL\lib\vc_x64_dll>archive 
> --force-zip64 l bigarchive.zip
> Archive: bigarchive.zip
> Length     Date       Time     Name
> ---------- ---------- -------- ----
> 7036940207 2023-10-08 17:13:50 test1.mkv
> 8532807786 2023-10-08 17:17:30 test2.mkv
> ----------                     -------
> 15569747993                     2 files
> 
> d:\Dev\Desktop\Lib\wxWidgets-PB-build-vc17_x64_DLL\lib\vc_x64_dll>archive 
> --force-zip64 x bigarchive.zip
> Extracting from: bigarchive.zip
> Extracting: test1.mkv...
> Extracting: test2.mkv...
> Extracted all files
> 
> 
> No idea how is this affected by the version of the zlib used (i.e.,
> when using the system one instead the one bundled with wxWidgets).
> 
> Regards,
> PB
> 



-- 
-- 
== jon bird - software engineer
== <reply to address _may_ be invalid, real mail below>
== <reduce rsi, stop using the shift key>
== posted as: news 'at' onasticksoftware 'dot' co 'dot' uk

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