On Wed, 17 Nov 2021 12:33:33 -0800, Paul Eggert <egg...@cs.ucla.edu> wrote: > On 11/17/21 05:08, Peng Yu wrote: > > Is there a way to make ztail more efficient? > > Not in general, no. The compressed file can't be decompressed from > random locations. > > There might be some options for doing what you're suggesting if > --rsyncable is used during compression (which it usually isn't) and if > someone would like to code up something for gzip (which would be > nontrivial).
gztool (https://github.com/circulosmeos/gztool) can be used to create additional indexes and then use that to access a compressed file randomly without decompressing everything; it supports tail-style operation as well. Whether it’s actually useful will depend on the scenario. Regards, Stephen
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