Re: Empty option for testing archives

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Johnathan Burchill wrote :
> Hi Denis,

Hello Johnathan,

> 
> Is it possible to have the "empty" boolean option added to the 
> libdar::archive->op_test() api? 

Well, I see no objections.

> 
> My plan is to use the "dummy run" option to quickly determine the number of 
> files considered by an operation's selection and subtree filters, and at the 
> same time in a different thread run the actual operation. Once the dummy 
> operation is finished, and it returns the number of files considered, I can 
> start to update my progress dialog based on the current stats of the running 
> operation. The other operations have this empty option, but not the op_test.
> 
> Presumably op_test() with empty=true would traverse the archive according to 
> the masks, and not perform the CRC checks.

Yep, thus if no CRC is done, no file reading is necessary, this will
make the thing even faster as no decompression/decryption will be necessary.

> 
> Cheers,
> JB
> 

Regards,
Denis.

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