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R⁶ — Exploring macOS Applications with codesign, Gatekeeper & R

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(General reminder abt “R⁶” posts in that they are heavy on code-examples, minimal on expository. I try to design them with 2-3 “nuggets” embedded for those who take the time to walk through the code examples on their systems. I’ll always provide further expository if requested in a comment, so don’t hesitate to ask if something is confusing.) I had to check something on the macOS systems across the abode today and — on a lark — decided to do all the “shell” scripting in R vs bash for a change. After performing the tasks, it occurred to me that not all R users on macOS realize there are hidden gems of information spread across the “boring” parts of the filesystem in SQLite databases. So, I put together a small example that: identifies all the top-level apps in /Applications extracts…
Original Post: R⁶ — Exploring macOS Applications with codesign, Gatekeeper & R