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Re: Re: Any news on Compress::LZW?

by diotalevi (Canon)
on Jun 19, 2003 at 03:32 UTC ( #267070=note: print w/ replies, xml ) Need Help??


in reply to Re: Any news on Compress::LZW?
in thread Any news on Compress::LZW?

I'd have done this myself if I didn't already know that there might be good ways to cheat and get better performance on memory, cpu or on the API. I really wanted SomeGuru to pick it up. *shrug* Having the original paper around would be pretty handy as well.


Comment on Re: Re: Any news on Compress::LZW?
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Re: Re: Re: Any news on Compress::LZW?
by meredith (Friar) on Jun 19, 2003 at 12:05 UTC
    SomeGuru, eh? Don't know him. :) Actually, I looked at the code (dont tell:) and it's just the LZW algorithm in perl... it doesn't output in any sort of data format, so there's work to be done there, and it doesn't have a decompressor (likely because there is no set data format :). I'm going to poke around some more on the subject... I'll also look at that Compress::SelfExtracting to see if the LZW can be isolated (and optimized, if it really is dog-slow).

    Update: I've pulled the compression code out of Compress::SelfExtracting. It's working perfectly... got a 2.91:1 compression on a text file I had laying around :) We'll see if the author cares about his code being repackaged :)

    mhoward - at - hattmoward.org

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