Filesystem - Real Function Reference

Read, write, and manage files and folders.

Function navigation	Description
`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`	Deletes an existing regular file inside the workspace.
`delfolder`	Deletes an existing folder inside the workspace recursively with recursive folder deletion.
`getcustomasset`	Copies an existing regular workspace file into ExtraContent/<hwid>/ and returns an rbxasset:// string for the copied asset path.
`isfile`	Returns whether a path resolved inside the workspace exists and is a regular file.
`isfolder`	Returns whether a path resolved inside the workspace exists and is a directory.
`listfiles`	Returns an array table of the direct children of an existing workspace directory.
`loadfile`	Reads a workspace file, compiles its contents with the Luau compiler, and returns the loaded Luau function without executing it.
`makefolder`	Creates a directory inside the workspace with recursive folder creation, including missing parent directories.
`openfiledialog`	Opens a Windows file-open dialog with Windows file picker and returns the selected file as a file item.
`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`	Opens a Windows folder picker with Windows file picker with folder selection mode and returns the selected folder as a file item.
`readfile`	Reads an existing regular file inside the workspace in binary mode and returns its bytes as a Lua string.
`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`	Writes Lua string bytes to a file inside the workspace, creating missing parent directories and replacing the file contents if the file already exists.

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