nslogger (deprecated)

Install command: 
brew install --cask nslogger

Name: NSLogger

Modern, flexible logging tool

https://github.com/fpillet/NSLogger

Cask JSON API: /api/cask/nslogger.json

Cask code: nslogger.rb on GitHub

Current version: 1.9.7

Current version requires: macOS >= 10.11

nslogger is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

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nslogger 8
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nslogger 30