forgot to commit openos

data/openos/bin/dmesg.lua

@@ -0,0 +1,38 @@
+local event = require("event")
+local tty = require("tty")
+
+local args = {...}
+local gpu = tty.gpu()
+local interactive = io.output().tty
+local color, isPal, evt
+if interactive then
+  color, isPal = gpu.getForeground()
+end
+io.write("Press 'Ctrl-C' to exit\n")
+pcall(function()
+  repeat
+    if #args > 0 then
+      evt = table.pack(event.pullMultiple("interrupted", table.unpack(args)))
+    else
+      evt = table.pack(event.pull())
+    end
+    if interactive then gpu.setForeground(0xCC2200) end
+    io.write("[" .. os.date("%T") .. "] ")
+    if interactive then gpu.setForeground(0x44CC00) end
+    io.write(tostring(evt[1]) .. string.rep(" ", math.max(10 - #tostring(evt[1]), 0) + 1))
+    if interactive then gpu.setForeground(0xB0B00F) end
+    io.write(tostring(evt[2]) .. string.rep(" ", 37 - #tostring(evt[2])))
+    if interactive then gpu.setForeground(0xFFFFFF) end
+    if evt.n > 2 then
+      for i = 3, evt.n do
+        io.write("  " .. tostring(evt[i]))
+      end
+    end
+
+    io.write("\n")
+  until evt[1] == "interrupted"
+end)
+if interactive then
+  gpu.setForeground(color, isPal)
+end
+