[Feature Request]: Compresses files open for writing by another applications

[shankun]

Feature description

Just like the -ssw (Compress files open for writing) switch of 7-Zip.
#Compresses files open for writing by another applications. If this switch is not set, 7-zip doesn't include such files to archive.
https://documentation.help/7-Zip/shared.htm

Additional context

No response

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[rikyoz]

Hi!
Since v4, bit7z should by default compress files opened for writing by other processes (as if using the -ssw option with 7-Zip), at least when using MSVC.
Bit7z internally uses std::ifstream to open files, and by default MSVC opens files with the FILE_SHARE_READ | FILE_SHARE_WRITE flags, which are the same flags used by 7-Zip when using the -ssw option.
Do you have any problem compressing files while they are already open for writing by other applications?