[Add] Implemented 'cat' command

assets/scripts/bin/cat.lua

@@ -0,0 +1,18 @@
+-- /bin/cat - Concatenate files and print on stdout.
+local filename = arg[1]
+if not filename then
+  return "" -- No arguments, return nothing.
+end
+
+local target_node = current_dir.children[filename]
+
+if not target_node then
+  return "cat: " .. filename .. ": No such file or directory."
+end
+
+if target_node.type == 1 then
+  return "cat: " .. filename .. ": Is a directory"
+end
+
+-- It's a file, return it's contents. :)
+return target_node.content

common/src/lua_processor.cpp

@@ -12,7 +12,8 @@ LuaProcessor::LuaProcessor(void) {
                               "name",       &vfs_node::name,
                               "type",       &vfs_node::type,
                               "children",   &vfs_node::children,
-                              "read_only",  &vfs_node::read_only); }
+                              "read_only",  &vfs_node::read_only,
+                              "content",    &vfs_node::content); }
 
 LuaProcessor::~LuaProcessor(void) {}