shellex: fix aliasing and colorize grep

ignore/plc.lua

@@ -0,0 +1,96 @@
+local os = _G.os
+local peripheral = _G.peripheral
+
+local running, modemSide
+local tasks = { }
+
+local sides = { 'front', 'back', 'left', 'right', 'top', 'bottom' }
+for _,v in pairs(sides) do
+  if peripheral.getType(v) == 'modem' and not peripheral.call(v, 'isWireless') then
+    modemSide = v
+    break
+  end
+end
+
+if not modemSide then
+  error('Must be conncted to a wired modem')
+end
+
+print('Using modem at side: ' .. modemSide)
+peripheral.call(modemSide, 'open', 42)
+
+local function addTask(fn)
+  local task
+  task = {
+    co = coroutine.create(fn)
+  }
+  table.insert(tasks, task)
+  return task
+end
+
+local function run()
+  if #tasks > 0 then
+    local event = { }
+
+    while true do
+      for n = #tasks, 1, -1 do
+        local task = tasks[n]
+        if coroutine.status(task.co) == 'dead' then
+          table.remove(tasks, n)
+        elseif task.filter == nil or task.filter == event[1] or event[1] == "terminate" then
+          local ok, param = coroutine.resume(task.co, table.unpack(event))
+          if not ok then
+            _G.printError(param)
+          else
+            task.filter = param
+          end
+          if coroutine.status(task.co) == 'dead' then
+            table.remove(tasks, n)
+          end
+        end
+      end
+      if #tasks == 0 then
+        break
+      end
+      event = { os.pullEventRaw() }
+    end
+  end
+end
+
+local function startProgram(program)
+  print('Starting: ' .. program.name)
+
+  local sandbox = { }
+  for k,v in pairs(_ENV) do
+    sandbox[k] = v
+  end
+
+  local env = setmetatable(sandbox, { __index = _G })
+  local fn, m = load(program.data, program.name, nil, env)
+  if fn then
+    running = addTask(function()
+      pcall(fn)
+      print('Ended: ' .. program.name)
+    end)
+  else
+    _G.printError(m)
+  end
+end
+
+addTask(function()
+  print('Waiting for program...')
+  while true do
+    local _, side, dport, dhost, msg = os.pullEvent('modem_message')
+    if side == modemSide and dport == 42 and dhost == os.getComputerID() then
+      if running and coroutine.status(running.co) ~= 'dead' then
+        coroutine.resume(running.co, 'terminate')
+      end
+      if msg.type == 'start' then
+        startProgram(msg)
+      end
+      os.queueEvent('dummy')
+    end
+  end
+end)
+
+run()

neural/mobRancher.lua

@@ -5,7 +5,7 @@
 
 local neural = require('neural.interface')
 local Sound  = require('sound')
-local Util    = require('util')
+local Map    = require('map')
 
 local os = _G.os
 
@@ -30,7 +30,7 @@ local function resupply()
   end
   print('resupplying')
   for _ = 1, 2 do
-    local dispenser = Util.find(neural.scan(), 'name', 'minecraft:dispenser')
+    local dispenser = Map.find(neural.scan(), 'name', 'minecraft:dispenser')
     if not dispenser then
       print('dispenser not found')
       break
@@ -76,7 +76,7 @@ local function kill(entity)
 end
 
 local function getEntities()
-  return Util.filter(neural.sense(), function(entity)
+  return Map.filter(neural.sense(), function(entity)
     if entity.name == BREEDING and entity.y > -.5 then
       return true
     end
@@ -92,7 +92,7 @@ local function getHungry(entities)
 end
 
 local function randomEntity(entities)
-  local r = math.random(1, Util.size(entities))
+  local r = math.random(1, Map.size(entities))
   local i = 1
   for _, v in pairs(entities) do
     i = i + 1
@@ -107,7 +107,7 @@ while true do
 
   local entities = getEntities()
 
-  if Util.size(entities) > MAX_GROWN then
+  if Map.size(entities) > MAX_GROWN then
     kill(randomEntity(entities))
   else
     local entity = getHungry(entities)

shellex/apis/tty.lua

@@ -8,12 +8,23 @@ local cmap = {
   [ 0x44CC00 ] = colors.lime,
   [ 0xB0B00F ] = colors.yellow,
   [ 0xFFFFFF ] = colors.white,
+
+  [ 0xb000b0 ] = colors.purple,
+  [ 0x00FF00 ] = colors.green,
+  [ 0xFF0000 ] = colors.red,
+  [ 0x00FFFF ] = colors.cyan,
+  [ 0x000000 ] = colors.black,
 }
 
 return {
   gpu = function()
+    local current = 0xFFFFFF
     return {
-      setForeground = function(c) term.setTextColor(cmap[c]) end,
+      setForeground = function(c)
+        current = c
+        term.setTextColor(cmap[c])
+      end,
+      getForeground = function() return current end,
     }
   end,
   getViewport = term.getSize,

shellex/autorun/startup.lua

@@ -1,6 +1,4 @@
-local Config = require('config')
-
-local kernel   = _G.kernel
+local fs       = _G.fs
 local os       = _G.os
 local settings = _G.settings
 
@@ -13,12 +11,7 @@ function os.getenv(k)
   return settings.get(k)
 end
 
-local config = Config.load('shell', { aliases = { } })
-if not config.openOsInit then
-  config.openOsInit = true
-  for _, alias in pairs({ 'ls', 'rm', 'cp', 'mv' }) do
-    config.aliases[alias] = nil
-    kernel.getShell().clearAlias(alias)
-  end
-  Config.update('shell', config)
-end
+fs.mount('rom/programs/list.lua', 'linkfs', 'packages/shellex/ls.lua')
+fs.mount('rom/programs/delete.lua', 'linkfs', 'packages/shellex/rm.lua')
+fs.mount('rom/programs/copy.lua', 'linkfs', 'packages/shellex/cp.lua')
+fs.mount('rom/programs/move.lua', 'linkfs', 'packages/shellex/mv.lua')

shellex/grep.lua

@@ -40,7 +40,7 @@ end
 
 local LABEL_COLOR = 0xb000b0
 local LINE_NUM_COLOR = 0x00FF00
-local MATCH_COLOR = 0xFF0000
+local MATCH_COLOR = 0xB0B00F
 local COLON_COLOR = 0x00FFFF
 
 local function pop(...)
@@ -115,7 +115,7 @@ local quiet = pop('q','quiet','silent')
 
 local print_count = pop('c','count')
 local colorize = pop('color','colour') and io.output().tty and tty.isAvailable()
-
+colorize = true
 local noop = function(...)return ...;end
 local setc = colorize and gpu.setForeground or noop
 local getc = colorize and gpu.getForeground or noop
@@ -203,6 +203,11 @@ local function readLines()
         meta.label = file
         local file, reason = resolve(file)
         if fs.exists(file) then
+          if fs.isDirectory(file) then
+            local msg = string.format("%s: Is a directory", meta.label)
+            stderr:write("grep: ",msg,"\n")
+            return false, 2
+          else
             curHand, reason = io.open(file, 'r')
             if not curHand then
               local msg = string.format("failed to read from %s: %s", meta.label, reason)
@@ -211,6 +216,7 @@ local function readLines()
             else
               curFile = meta.label
             end
+          end
         else
           stderr:write("grep: ",file,": file not found\n")
           return false, 2