EMULAB Forum
clrmamepro [English] => clrmame Discussion => Topic started by: yeahimdukenukem on 01 August 2018, 06:19
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Hi again,
Maybe this is already implemented, but I really cannot find it.
Please please tell me, is it possible to create zip files without any compression using Clrmamepro?
The Recreator (as well as the Scanner when it adds data) always compresses the data. For 7z and RAR it is possible to configure, but not for ZIP. Or I just couldn't find yet.
Thanks again so much for your awesome work,
Duke
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Zip compression level settings were removed 7 years ago. From then on it simply used the best possible ziparchive class storage method. Of course you can use 3rd party tools to gain a little bit more bits and bytes but in days of terabyte hds it's not really worth the time. And of course you can use 3rd party tools to store them uncompressed for whatever reason.
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You are completely right.
It's just because of 2 reasons (especially for me):
1. Scanning is much faster on uncompressed ZIPs
2. Afterwards compression of all uncompressed ZIPs together into one 7z file gives a much higher compression
For now I just reuncompress all zips via script after scanning. It's just a matter of saving time for me and I thought it could be possible.
Thank you very much,
Duke
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1) not true, since the standard scan mode (without sha1 calculation) reads the checksum from the file header. There is no speed difference when you read in a compressed or not compressed zip. It only matters if you add a file to the archive (and even then in rebuilder no-recompression mode, it doesn't matter either)
2) where is the sense in keeping all archives then in one 7z archive? Emulators won't be able to read them...and really...in times of multi terabyte hds for < 100 EUR space shouldn't be a problem.