forgot to commit openos

data/openos/bin/lua.lua

@@ -0,0 +1,27 @@
+local shell = require("shell")
+local args = shell.parse(...)
+
+if #args == 0 then
+  args = {"/lib/core/lua_shell.lua"}
+end
+
+local filename = args[1]
+local buffer, script, reason
+buffer = io.lines(filename, "*a")()
+if buffer then
+  buffer = buffer:gsub("^#![^\n]+", "") -- remove shebang if any
+  script, reason = load(buffer, "="..filename)
+else
+  reason = string.format("could not open %s for reading", filename)
+end
+
+if not script then
+  io.stderr:write(tostring(reason) .. "\n")
+  os.exit(false)
+end
+
+buffer, reason = pcall(script, table.unpack(args, 2))
+if not buffer then
+  io.stderr:write(type(reason) == "table" and reason.reason or tostring(reason), "\n")
+  os.exit(false)
+end