Verbose flag does nothing? #183

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opened 2026-01-29 20:39:25 +00:00 by claunia · 1 comment
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Originally created by @jboero on GitHub (Jul 5, 2017).

In my quest to understand the format, I would expect -v, --verbose flags to show more output. I started to write a verbose decoder from scratch but then noticed the excellent research/brotlidump.py script which is ultra helpful (once you copy dictionary.bin to ./). It would be nice if this kind of output came from -v. Will implement myself if necessary.

Originally created by @jboero on GitHub (Jul 5, 2017). In my quest to understand the format, I would expect -v, --verbose flags to show more output. I started to write a verbose decoder from scratch but then noticed the excellent research/brotlidump.py script which is ultra helpful (once you copy dictionary.bin to ./). It would be nice if this kind of output came from -v. Will implement myself if necessary.
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@eustas commented on GitHub (Jul 5, 2017):

Hello. Thank you for your interest to brotli project.

In verbose mode CLI should provide some information useful to users: compression progress, ratio, speed, etc. Currently it is not implemented, just reserved, to make CLI more stable.

Format explanation is very different, and affects performance, even when off. brotlidump is the best choice for that. But it requires some care, as it might not work out of the box.

If you would like to invest your time/efforts in this direction, we would be grateful, if you work on brotlidump improvements.

@eustas commented on GitHub (Jul 5, 2017): Hello. Thank you for your interest to `brotli` project. In verbose mode CLI should provide some information useful to users: compression progress, ratio, speed, etc. Currently it is not implemented, just reserved, to make CLI more stable. Format explanation is very different, and affects performance, even when off. `brotlidump` is the best choice for that. But it requires some care, as it might not work out of the box. If you would like to invest your time/efforts in this direction, we would be grateful, if you work on `brotlidump` improvements.
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Reference: starred/brotli#183