OctOS: Add mv command

Allows moving files and directories.

doc/computers/commands.md

@@ -16,7 +16,7 @@ Create new file.
 #### `rm [path]`
 Remove file.
 
-#### `cp [old path] [copy path]`
+#### `cp [original path] [copy path]`
 Make a copy of a file.
 
 #### `mkdir [path]`
@@ -25,5 +25,8 @@ Create new directory.
 #### `rmdir [path]`
 Remove directory.
 
-#### `cpdir [old path] [copy path]`
-Make a copy of a directory.
+#### `cpdir [original path] [copy path]`
+Make a copy of a directory.
+
+#### `mv [old path] [new path]`
+Move a file or directory to a new location.

octos/bin/mv

@@ -0,0 +1,4 @@
+name = mv
+description = Move a file or directory
+params = [old path] [new path]
+exec = os/exec/mv.lua

octos/exec/mv.lua

@@ -0,0 +1,21 @@
+local path = ...
+local old  = path[1]
+local new  = path[2]
+
+if old and new then
+  if fs.exists(old) then
+    if not fs.exists(new) then
+      if fs.cpdir(old, new) and fs.rmdir(old) then
+        print("Moved "..old.." to "..new)
+      else
+        print(old.." is a file")
+      end
+    else
+      print(new.." already exists")
+    end
+  else
+    print(old.." does not exist")
+  end
+else
+  print("Must specify old and new path (see help mv)")
+end