I’m hoping an Erlang/Elixir Jedi can help show me the ways of the force here. I got a bunch of images that need to be manipulated programmatically (stop me if you’ve heard this before). So I’m looking over the approaches written about here: https://sergiotapia.me/generate-images-with-name-initial…

I only glanced over the blog post, but yes, it is “shelling out”. But to my experience so far, IMs boot up time is neglible. If you really want to, you can of course try to interface the C++ library in a NIF or C-Port, but I am not sure if this will make a huge difference…

What you can do is always have 1 or more executables started via System.cmd and waiting on their stdio for data. That’s a trick I used in other programming languages when I was concerned about the initial overhead of loading a native executable in a child shell; because now the executable is loaded …

Elixir Programming Language Forum

Does Image Rendering "shell out"?

Questions & Help Questions

fireproofsocks June 6, 2018, 2:42pm 4

That is a good idea, thank you!