Is package from dependencies avialable for using

New to Julia
1

Could you please help me to understand the Packages dependencies using. For example, I installed the GLMakie package:

Updating `C:\Users\aleck\.julia\environments\v1.5\Project.toml`
  [e9467ef8] + GLMakie v0.1.23
Updating `C:\Users\aleck\.julia\environments\v1.5\Manifest.toml`
  ...
  [5789e2e9] + FileIO v1.4.5
  ...

I suppose that the FileIO packages was installed as a dependency for GLMakie. However I cannot use this package

using FileIO

julia> using FileIO
ERROR: ArgumentError: Package FileIO not found in current path:
- Run `import Pkg; Pkg.add("FileIO")` to install the FileIO package.

I can install FileIO. But will it be duplication of the FileIO from GLMakie?

2

Just ] add FileIO. It won’t be a duplicate. Every environment contains precisely one version of a package. Irrespective of whether it was installed explicitly or as a dependency.

(You can also try using GLMakie.FileIO.)

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3

So, after I install

using Pkg
Pkg.add("FileIO")

I will have in my environment only one package FileIO but with two different names FileIO and GlMakie.FileIO?

4

Yes. But if GLMakie.FileIO works you could also perhaps just define an alias FileIO. Anyways, I would go with the explicit add.

1 Like