From fe08446d84e0aa939780ad013f0545778703da6d Mon Sep 17 00:00:00 2001
From: Andrew Lee <alee14498@gmail.com>
Date: Fri, 19 Jul 2019 14:10:39 -0400
Subject: MBS as default shell

---
 .mbs/bin/help.lua | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 .mbs/bin/help.lua

(limited to '.mbs/bin/help.lua')

diff --git a/.mbs/bin/help.lua b/.mbs/bin/help.lua
new file mode 100644
index 0000000..f92630f
--- /dev/null
+++ b/.mbs/bin/help.lua
@@ -0,0 +1,19 @@
+local topic = ... or "intro"
+
+if topic == "index" then
+  print("Help topics availiable:")
+  textutils.pagedTabulate(help.topics())
+else
+  local file_name = help.lookup(topic)
+  if not file_name then error("No help available", 0) end
+
+  local file = fs.open(file_name, "r")
+  -- Shouldn't happen, but nice to handle anyway
+  if not file then error("No help available", 0) end
+
+  local contents = file.readAll()
+  file.close()
+
+  local _, height = term.getCursorPos()
+  textutils.pagedPrint(contents, height - 3)
+end
\ No newline at end of file
-- 
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