> ## Documentation Index
> Fetch the complete documentation index at: https://docs.projectreal.gg/llms.txt
> Use this file to discover all available pages before exploring further.

# Filesystem

> Read, write, and manage files and folders.

Read, write, and manage files and folders.

| Function navigation                      | Description                                                                                                                                                 |
| ---------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [`appendfile`](./appendfile)             | Appends raw Lua string bytes to a workspace file using binary append mode. The file may be created if its parent folder exists.                             |
| [`delfile`](./delfile)                   | Deletes an existing regular file inside the workspace.                                                                                                      |
| [`delfolder`](./delfolder)               | Deletes an existing folder inside the workspace recursively with recursive folder deletion.                                                                 |
| [`getcustomasset`](./getcustomasset)     | Copies an existing regular workspace file into ExtraContent/\<hwid>/ and returns an rbxasset:// string for the copied asset path.                           |
| [`isfile`](./isfile)                     | Returns whether a path resolved inside the workspace exists and is a regular file.                                                                          |
| [`isfolder`](./isfolder)                 | Returns whether a path resolved inside the workspace exists and is a directory.                                                                             |
| [`listfiles`](./listfiles)               | Returns an array table of the direct children of an existing workspace directory.                                                                           |
| [`loadfile`](./loadfile)                 | Reads a workspace file, compiles its contents with the Luau compiler, and returns the loaded Luau function without executing it.                            |
| [`makefolder`](./makefolder)             | Creates a directory inside the workspace with recursive folder creation, including missing parent directories.                                              |
| [`openfiledialog`](./openfiledialog)     | Opens a Windows file-open dialog with Windows file picker and returns the selected file as a file item.                                                     |
| [`openfilesdialog`](./openfilesdialog)   | Opens a Windows file-open dialog with Windows file picker with multi-select enabled and returns the selected files as file item values.                     |
| [`openfolderdialog`](./openfolderdialog) | Opens a Windows folder picker with Windows file picker with folder selection mode and returns the selected folder as a file item.                           |
| [`readfile`](./readfile)                 | Reads an existing regular file inside the workspace in binary mode and returns its bytes as a Lua string.                                                   |
| [`savefiledialog`](./savefiledialog)     | Opens a Windows save dialog with Windows save dialog, writes the provided Lua string bytes to the selected path, and returns the saved file as a file item. |
| [`writefile`](./writefile)               | Writes Lua string bytes to a file inside the workspace, creating missing parent directories and replacing the file contents if the file already exists.     |