diff --git a/README.md b/README.md
index ce45dda..1f1aa21 100644
--- a/README.md
+++ b/README.md
@@ -85,9 +85,10 @@ npm start
 - `(echo ...args)` 
 - `(str ...args)` 
 - `(open path)` Imports a graphic file and resizes the frame.
-- `(path ~path)` Returns the content of a folder path.
-- `(folder ~path)` Returns the path of the current folder.
-- `(ls ~path)` Returns the content of a folder path.
+- `(dir ~path)` Returns the content of a directory.
+- `(file ~path)` Returns the content of a file
+- `(dirpath ~path)` Returns the path of a directory.
+- `(filepath ~path)` Returns the path of a file
 - `(exit ~force)` Exits Ronin.
 - `(time)` Returns timestamp in milliseconds.
 - `(animate ~play)` Toggles animation.
diff --git a/desktop/sources/scripts/library.js b/desktop/sources/scripts/library.js
index f15c2bd..ea3483a 100644
--- a/desktop/sources/scripts/library.js
+++ b/desktop/sources/scripts/library.js
@@ -324,18 +324,22 @@ function Library (ronin) {
   this.open = async (path) => { // Imports a graphic file and resizes the frame.
     return ronin.surface.open(path)
   }
-
+  
   // File System
 
-  this.path = (path = ronin.source.path) => { // Returns the content of a folder path.
-    return path
+  this.dir = (path = ronin.source.path) => { // Returns the content of a directory.
+    return fs.existsSync(path) ? fs.readdirSync(path) : []
   }
 
-  this.folder = (path = this.path()) => { // Returns the path of the current folder.
+  this.file = (path = ronin.source.path) => { // Returns the content of a file
+    return fs.existsSync(path) ? fs.readFileSync(p, 'utf8') : ''
+  }
+
+  this.dirpath = (path = ronin.source.path) => { // Returns the path of a directory.
     return require('path').dirname(path)
   }
 
-  this.ls = (path = this.folder()) => { // Returns the content of a folder path.
+  this.filepath = (path = ronin.source.path) => { // Returns the path of a file
     return fs.existsSync(path) ? fs.readdirSync(path) : []
   }
 
diff --git a/documentation.md b/documentation.md
deleted file mode 100644
index 706fee5..0000000
--- a/documentation.md
+++ /dev/null
@@ -1,159 +0,0 @@
-# Functions
-
-## IO
-
-`(open path)`
-
-`(export path type quality)`
-
-`(draw path rect)`
-
-`(resize width height)`
-
-`(crop rect)`
-
-`(folder path)` 
-
-`(exit)`
-
-## Logic
-
-`(gt a b)` check if `a` is greater than `b`
-
-`(lt a b)` check if `a` is lower than `b`
-
-`(eq a b)` check if `a` is equal to `b`
-
-`(and a b <c d...>)` returns true if all conditions are true
-
-`(or a b <cd...>)` returns true if at least one condition is true
-
-## Arrays
-
-`(map function array)`
-
-`(filter function array)`
-
-`(reduce function array accumulator)`
-
-`(len array)`
-
-`(first array)`
-
-`(last array)`
-
-`(rest array)`
-
-`(range start end step)`
-
-## Shapes
-
-`(pos x y)`
-
-`(size w h)`
-
-`(rect x y w h t)`
-
-`(circle x y r)`
-
-`(line start end)`
-
-`(text x y g string font)`
-
-`(svg data)`
-
-## Helpers
-
-`(frame)`
-
-`(center)`
-
-`(scale rect width height)`
-
-## Copy/Paste
-
-`(clone start end)` clone start `rect` into end `rect`
-
-`(stroke shape thickness color)`
-
-`(fill shape color)`
-
-`(clear shape)`
-
-## Objects
-
-`(get item key <keys>)`
-
-`(set item key val)`
-
-## Colors
-
-`(theme variable)`
-
-`(gradient (x1,y1,x2,y2) colors)`
-
-`(pixels rect function q)`
-
-`(saturation pixel q)`
-
-`(contrast pixel q)`
-
-## Math
-
-`(add ...values)`
-
-`(sub...values)`
-
-`(mul ...values)`
-
-`(div ...values)`
-
-`(mod a b)`
-
-`(clamp value min max)`
-
-`(step value step)`
-
-`(min a b)`
-
-`(max a b)`
-
-`(ceil value)`
-
-`(floor value)`
-
-`(sin a)`
-
-`(cos a)`
-
-`PI, TWO_PI`
-
-`(random)`
-
-`(random start end)`
-
-`(random max)`
-
-## Generics
-
-`(echo args)`
-
-`(str args)`
-
-`(test name value expectedValue)`
-
-## Livecoding
-
-`(time)` returns timestamp in milliseconds
-
-`(animate)` start animation
-
-`(animate false)` stop animation
-
-## Javascript interop
-
-`js`
-
-## Client
-
-`ronin`
diff --git a/examples/fs.lisp b/examples/fs.lisp
index 44eac10..b63101e 100644
--- a/examples/fs.lisp
+++ b/examples/fs.lisp
@@ -2,8 +2,8 @@
 ( 
   ; get files 
   (def files 
-    (ls 
-      (folder))) 
+    (dir 
+      (dirpath))) 
   ; pick a random file 
   (def random-index 
     (floor