alt Hacker NewsTo be a little pedantic, the usual zstd levels are positive integers (1-22 default 3). The negative integers denote "fast" modes with worse compression (there are only a few of these).
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a_t48 • yesterday at 7:02 AM
Whoops! You're right, and it's too late to edit.
I think those are CLI options, not negative signs. Ie. you call zstd -3 for compression level 3.