Delete all packages installed in an environment

Note that this is done automatically every so often by the package manager. If you want to get rid of the packages immediately, then you probably want to call Pkg.gc as follows:

julia> using Pkg, Dates

julia> Pkg.gc(; collect_delay=Day(0))
      Active manifest files: 110 found
      Active artifact files: 455 found
      Active scratchspaces: 57 found
     Deleted no artifacts, repos, packages or scratchspaces

And yes, you can call it from the global environment after deleting the “temp” environment.

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