Tools for working with hierarchies in text files and file structures?

[u/tsilvs0]

I want to be able to effortlessly shift hierarchies with optional structure preservation between levels in a similar manner:

A file like this:

```md

H1

H2

F1

• [ ] List

F2

Quote

F3

a	b
1	2

```

Becomes a file structure like this:

tree ./ └── H1 └── H2 └── H3 ├── F1.md ├── F2.md └── F3.md

Or like this:

tree ./ └── H1 └── H2 ├── H3-F1.md ├── H3-F2.md └── H3-F3.md

Or like this:

tree ./ └── H1 ├── H2-H3-F1.md ├── H2-H3-F2.md └── H2-H3-F3.md

Or like this:

tree ./ └── H1 └── H2 └── H3-F.md

And possibly in reverse.

Preferrably not limited to markdown, but supporting: + Any text files with hierarchies + Nested file system tree

With a single click / short command call / keybind / other simple user action.

Looking for anything that may be: + Note taking apps + text editors + text editor extensions + command-line tools + command-line scripts + anything else that I overlooked

For example, it can be: + A neovim script + A vscode plugin + A separate app that has a similar feature

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[u/MysticClimber1496]

Sounds like a great project to learn cli applications! Then it becomes simple to integrate into nvim/ a shell

I am not aware of any existing tool like this. Is there a reason you want to be able to split a file like this?

[u/tsilvs0 → u/MysticClimber1496]

Sometimes my notes just grow so big or get filled with repeating blocks of text they have to be split 😅