diff --git a/nushell/config.nu b/nushell/config.nu
index 15ede33..6f76bd6 100644
--- a/nushell/config.nu
+++ b/nushell/config.nu
@@ -17,103 +17,36 @@ $env.config.history.file_format = "sqlite"
 $env.config.filesize.metric = false
 $env.config.table.mode = light
 
+# remove extension shortcut
+def rm-ext [] {
+    $in | path parse | udpate extension "" | get parent stem | str join "/"
+}
+
 # ls aliases
 alias _ls = ls
 
 def _ls_format_mode [mode: string] {
     let chars = $mode | split chars
-
-    let r1 = (if ($chars | get 0) == "r" {
-        [(ansi yellow_bold), "r", (ansi reset)]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let w1 = (if ($chars | get 1) == "w" {
-        [(ansi red_bold), "w", (ansi reset)]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let x1 = (if ($chars | get 2) == "x" {
-        [(ansi green_bold), "x", (ansi reset)]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let r2 = (if ($chars | get 3) == "r" {
-        [(ansi yellow), "r", (ansi reset)]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let w2 = (if ($chars | get 4) == "w" {
-        [(ansi red), "w"]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let x2 = (if ($chars | get 5) == "x" {
-        [(ansi green), "x"]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let r3 = (if ($chars | get 6) == "r" {
-        [(ansi yellow), "r", (ansi reset)]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let w3 = (if ($chars | get 7) == "w" {
-        [(ansi red), "w"]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    let x3 = (if ($chars | get 8) == "x" {
-        [(ansi green), "x"]
-    } else {
-        [(ansi grey), "-"]
-    } | str join)
-
-    [
-        $r1
-        $w1
-        $x1
-        $r2
-        $w2
-        $x2
-        $r3
-        $w3
-        $x3
-    ] | str join
+    let r1 = if ($chars | get 0) == "r" { [(ansi yellow_bold), "r", (ansi reset)] } else { [(ansi grey), "-"] }
+    let w1 = if ($chars | get 1) == "w" { [(ansi red_bold), "w", (ansi reset)] } else { [(ansi grey), "-"] }
+    let x1 = if ($chars | get 2) == "x" { [(ansi green_bold), "x", (ansi reset)] } else { [(ansi grey), "-"] }
+    let r2 = if ($chars | get 3) == "r" { [(ansi yellow), "r", (ansi reset)] } else { [(ansi grey), "-"] }
+    let w2 = if ($chars | get 4) == "w" { [(ansi red), "w"] } else { [(ansi grey), "-"] }
+    let x2 = if ($chars | get 5) == "x" { [(ansi green), "x"] } else { [(ansi grey), "-"] }
+    let r3 = if ($chars | get 6) == "r" { [(ansi yellow), "r", (ansi reset)] } else { [(ansi grey), "-"] }
+    let w3 = if ($chars | get 7) == "w" { [(ansi red), "w"] } else { [(ansi grey), "-"] }
+    let x3 = if ($chars | get 8) == "x" { [(ansi green), "x"] } else { [(ansi grey), "-"] }
+    [$r1, $w1, $x1, $r2, $w2, $x2, $r3, $w3, $x3] | each { $in | str join } | str join
 }
 
 def l [dir?: string] {
-    let output = _ls (if $dir == null { "" } else { $dir })
-        | sort-by type name -i
-
-    if ($output | length) == 0 {
-        "" | cat
-    } else {
-        $output
-            | grid -c -s "  "
-            | cat
-    }
+    let output = _ls (if $dir == null { "" } else { $dir }) | sort-by type name -i
+    if ($output | length) == 0 { "" | cat } else { $output | grid -c -s "  " | cat }
 }
 
 def ls [dir?: string] {
-    let output = _ls (if $dir == null { "" } else { $dir })
-        | sort-by type name -i
-
-    if ($output | length) == 0 {
-        "" | cat
-    } else {
-        $output
-            | grid -c -s "  "
-            | cat
-    }
+    let output = _ls (if $dir == null { "" } else { $dir }) | sort-by type name -i
+    if ($output | length) == 0 { "" | cat } else { $output | grid -c -s "  " | cat }
 }
 
 def la [dir?: string] {
@@ -133,7 +66,8 @@ def ll [dir?: string] {
 # cool du (don't display everything)
 alias _du = du
 def du [...args] {
-    $args | each { _du $in } | select path apparent physical
+    let parsed_args = if ($args | is-empty) { ["*"] } else { $args }
+    $parsed_args | each { _du -a $in | select path apparent physical } | flatten
 }
 
 # cool df