Re: Getting better compression
Re: Getting better compression
- Subject: Re: Getting better compression
- From: Graham Cox <email@hidden>
- Date: Mon, 16 Feb 2009 21:57:15 +1100
On 16 Feb 2009, at 9:53 pm, Graham Cox wrote:
man zip ?
-# Regulate the speed of compression using the specified
digit #, where -0 indicates no compression (store all files), -1
indicates the fastest com-
pression method (less compression) and -9 indicates the
slowest compression method (optimal compression, ignores the suffix
list). The default com-
pression level is -6.
I did look there first thing. I don't see that option or that text.
I tried it anyway - it slightly improves things, but nowhere near the
extent that I get with Finder "Compress".
e.g.
original: 9.6M
zip script: 6.9M (with -9, with default I get 7.3M)
Finder compress 3.4M
--Graham
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