OC-PsychOS2/exec/shell.lua

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print(pcall(function()
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local shenv = {}
function shenv.quit()
os.setenv("run",nil)
end
shenv.cd = os.chdir
shenv.mkdir = fs.makeDirectory
local function findPath(name)
path = os.getenv("PATH") or "/boot/exec"
for l in path:gmatch("[^\n]+") do
if fs.exists(l.."/"..name) then
return l.."/"..name
elseif fs.exists(l.."/"..name..".lua") then
return l.."/"..name..".lua"
end
end
end
setmetatable(shenv,{__index=function(_,k)
local fp = findPath(k)
if _G[k] then
return _G[k]
elseif fp then
local rqid = string.format("shell-%d",math.random(1,99999))
return function(...)
local tA = {...}
local pid = os.spawn(function() computer.pushSignal(rqid,pcall(loadfile(fp),table.unpack(tA))) end,fp)
local tE = {}
repeat
tE = {coroutine.yield()}
if tE[1] == rqid then
table.remove(tE,1)
if tE[1] == true then
table.remove(tE,1)
end
return table.unpack(tE)
end
until not os.taskInfo(pid)
end
end
end})
print(_VERSION)
os.setenv("run",true)
while os.getenv("run") do
io.write(string.format("%s:%s> ",os.getenv("HOSTNAME") or "localhost",(os.getenv("PWD") or _VERSION)))
local input=io.read()
if input:sub(1,1) == "=" then
input = "return "..input:sub(2)
end
tResult = {pcall(load(input,"shell","t",shenv))}
if tResult[1] == true then table.remove(tResult,1) end
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for k,v in pairs(tResult) do
print(v)
end
end
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end))