Updated documentation and improved fs-ext

doc/api.md

@@ -16,8 +16,34 @@ Displays its arguments on the display device as a string, with a newline.
 Displays its arguments on the display device as a string, without a newline
 ## drivers/keyboard.lua
 This is a device-specific driver.
-### `readln()`
+### `input = readln()`
 Reads a line of input from the keyboard.
+## library/fs-min.lua
+fs-min implements basic filesystem resolution.
+### `fsproxy,path = fres(p)`
+Returns the proxy and path for that proxy for an input path `p`. Input paths have the form of `filesystem:/directory/file` or `/filesystem/directory/file`.
+## library/fs-std.lua
+fs-std implements file handles and methods for said file handles.
+### `handle = fopen(path, mode)`
+Opens a file handle for `path` with mode `mode`. File handle is for the OS, not the filesystem.
+### `fclose(handle)`
+Closes a file handle.
+### `data = fread(handle)`
+Reads data from a file handle `handle`.
+### `fwrite(handle,data)`
+Writes `data` to the handle `handle`.
+## library/fs-ext.lua
+fs-ext implements utility functions to do with filesystems.
+### `tdir = flist(path)`
+Returns a table of contents, `tdir` of a directory `path`
+### `fmkdir(path)`
+Creates the directory `path`.
+### `frm(path)`
+Deletes the file/directory `path`.
+### `fexists(path)`
+Returns true if the file/dir `path` exists.
+### `isdir = fisdir(path)`
+Returns whether the file/dir `path` is a directory.
 ## library/net.lua
 Note: Settings have to be set in the kernel module, at the line
 ```

modules/library/fs-ext.lua

@@ -14,3 +14,7 @@ function fexists(s)
  local d,p = fres(s)
  return d.exists(p)
 end
+function fisdir(s)
+ local d,p = fres(s)
+ return d.isDirectory(p)
+end