I’m loving Elm but currently struggling to understand the elm/file package and how to use it. Background Martin Janiczek’s Elm ports and JavaScript solution to ‘How can I access a file on my local drive?’ works fine. I read the code, made sure I understood it, and got it working in my app, all in a…

[image] AlanQ: Evan doesn’t use File.Select at all, but just File.decoder… this is very confusing because surely a file must be selected(/loaded) before it can be decoded . And, if Select is both unreliable and unnecessary, why does it exist at all? File.Select allows you to use a button w…

There currently a bug in how File.Select.file works which explains the unreliability you’re seeing. [image] [elm/file] Selecting files using File.Select.file(s) "sometimes" fails Request Feedback Update The issue described in this post is most likely resolved by patch rel…

I think I’m having the same struggle as @AlanQ , which is how to actually get the contents of the file into a form that we can work with. I too got Evan’s Ellie example running great, to get a list of files loaded into the model. And the package docs example for File.toString sort of makes sense. …

[image] jessta: There currently a bug in how File.Select.file works which explains the unreliability you’re seeing. [image] [elm/file] Selecting files using File.Select.file(s) “sometimes” fails Request Feedback Just to update, this issue should have been largely fixed today, as Evan release…

[image] kwindow: I too got Evan’s Ellie example running great, to get a list of files loaded into the model. And the package docs example for File.toString sort of makes sense. But I can’t seem to work out how to put them together. Once you have a File, using an input or using File.Select, yo…

Many thanks for all the replies. @Sidney , that helps clarify File.Select vs File.decoder. @jessta , knowing there is (was) a bug makes me feel better :slight_smile: @christian , brilliant, I’ll upgrade and try again… It works! In both Chromium and Firefox on Ubuntu :smiley: — it might need some au…

Many thanks indeed! @dmy , your explanation made sense and the Ellie example worked a treat. It was the receiving of the file contents with the FileRead message, and the message itself being an argument into Task.perform, that I was getting hung up on. It was a great feeling, after all my own thras…

I put a more elaborate example in the README of elm/file just now, see here . There is another patch pending to further improve File.Select as described in this thread , so this should all be out with 1.0.3 once I get some feedback on the change there.

Thank you, @evancz , that example helps a lot. And I see 1.0.3 is already available :slight_smile: Both 1.0.2 and 1.0.3 work just fine for me.

It might be helpful for someone who is trying to understand how to work with files and maybe drag&drop. I experienced with this recently Example Demo

How to use elm/file?

Topic		Replies	Views	Activity
File Upload not very concise Learn	3	563	September 4, 2023
How to generate a File object? Learn	7	2752	April 24, 2020
Elm-file-reader Request Feedback	31	3908	March 22, 2018
New package alternative/complementary to elm/file Show and Tell	0	600	March 20, 2021
Can Elm Repl process whole files, multiple modules, etc Learn	6	687	March 21, 2022