The FS API allows you to manipulate files and the filesystem.
|fs.list(string path)||table files||Returns a list of all the files (including subdirectories but not their contents) contained in a directory, as a numerically indexed table.|
|fs.exists(string path)||boolean exists||Checks if a path refers to an existing file or directory.|
|fs.isDir(string path)||boolean isdir||Checks if a path refers to an existing directory.|
|fs.isReadOnly(string path)||boolean readonly||Checks if a path is read-only (i.e. cannot be modified).|
|fs.getName(string path)||string name||Gets the final component of a pathname.|
|fs.getDrive(string path)||string/nil drive||Gets the storage medium holding a path, or nil if the path does not exist.|
|fs.getSize(string path)||number size||Gets the size of a file in bytes.|
|fs.getFreeSpace(string path)||number space||Gets the remaining space on the drive containing the given directory.|
|fs.makeDir(string path)||nil||Makes a directory.|
|fs.move(string fromPath, string toPath)||nil||Moves a file or directory to a new location.|
|fs.copy(string fromPath, string toPath)||nil||Copies a file or directory to a new location.|
|fs.delete(string path)||nil||Deletes a file or directory.|
|fs.combine(string basePath, string localPath)||string path||Combines two path components, returning a path consisting of the local path nested inside the base path.|
|fs.open(string path, string mode)||table handle||Opens a file so it can be read or written.|
All of these functions except for fs.combine refer solely to absolute paths.
This means that the current working directory, as set by the
cd command or the shell.setDir function, is ignored. Each path name consists of a list of nonempty path components separated by forward slashes, and those path components are taken one by one with the first being contained in the root directory of the computer.
If you need to deal with paths provided by the user that may be absolute or may be relative to the current working directory, use shell.resolve.
Unlike most real-world operating systems, ComputerCraft's absolute path name system does not need to be started with a forward slash ( / ), making the directory "a/b/c" the same as "/a/b/c". Leaving the slashes is just a matter of preference to the coder.