multiple file hash in a single read
- To: mathgroup at smc.vnet.net
- Subject: [mg132137] multiple file hash in a single read
- From: inner.mitochondrial.membrane at gmail.com
- Date: Sun, 22 Dec 2013 05:52:25 -0500 (EST)
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- Delivered-to: l-mathgroup@wolfram.com
- Delivered-to: mathgroup-outx@smc.vnet.net
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Dear Group
To get CRC32 and MD5 ... hash of a file, I could use
({FileHash[#,"CRC32"],FileHash[#,"MD5"], ...})&/@fileList
but it doesn't look smart because each file is read twice, a first time to compute CRC32 and second one for MD5, etc..
Any better way ?
A simple way to efficiently parallelize this peculiar task over a multicore cpu would be very welcomed also.
Thanks !!
running:
Mathematica 8.0.1
Win Xp ver. 5.1.2600
intel quad core q9400 2.66 Ghz
4 Gb ram