I forgot you have to give it write permissions (minified)

halyde/apps/help.lua

@@ -1,38 +1 @@
-local fs = import("filesystem")
-local args = {...}
-local command = args[1]
-args = nil
-if not command then
-  local handle, data, tmpdata = fs.open("/halyde/apps/helpdb/default.txt", "r"), "", nil
-  repeat
-    tmpdata = handle:read(math.huge or math.maxinteger)
-    data = data .. (tmpdata or "")
-  until not tmpdata
-  print(data)
-  return
-end
-if shell.aliases[command] then
-  command = shell.aliases[command]
-end
-if fs.exists("/halyde/apps/helpdb/" .. command .. ".txt") then
-  local handle, data, tmpdata = fs.open("/halyde/apps/helpdb/" .. command .. ".txt", "r"), "", nil
-  repeat
-    tmpdata = handle:read(math.huge or math.maxinteger)
-    data = data .. (tmpdata or "")
-  until not tmpdata
-  print(data)
-  local aliases = table.copy(shell.aliases)
-  if table.find(aliases, command) then
-    local aliasIndex = table.find(aliases, command)
-    local aliasString = "Aliases:\n  " .. aliasIndex
-    aliases[aliasIndex] = nil
-    while table.find(aliases, command) do
-      aliasIndex = table.find(aliases, command)
-      aliasString = aliasString .. ", " .. aliasIndex
-      aliases[aliasIndex] = nil
-    end
-    print(aliasString)
-  end
-else
-  print("Could not find help file for: " .. command .. ".")
-end
+Error: no such file. (``)