OC-PsychOS2/exec/shell.lua

49 lines
1.1 KiB
Lua

print(pcall(function()
local shenv = {}
function shenv.quit()
os.setenv("run",nil)
end
function shenv.cd(p)
if p:sub(1,1) == "/" then
if fs.list(p) then
os.setenv("PWD",p)
else
print("no such directory: "..p)
end
else
local np = {}
for k,v in pairs(fs.segments(os.getenv("PWD").."/"..p)) do
if v == ".." then
np[#np] = nil
else
np[#np+1] = v
end
end
os.setenv("PWD","/"..table.concat(np,"/"))
end
end
setmetatable(shenv,{__index=function(_,k)
if _G[k] then
return _G[k]
elseif fs.exists("/boot/exec/"..k..".lua") then
return function(...)
local tA = {...}
local pid = os.spawn(function() loadfile("/boot/exec/"..k..".lua")(table.unpack(tA)) end,"/boot/exec/"..k..".lua")
repeat
coroutine.yield()
until tTasks[pid] == nil
end
end
end})
print(_VERSION)
os.setenv("run",true)
while os.getenv("run") do
io.write((os.getenv("PWD") or _VERSION).."> ")
tResult = {pcall(load(io.read(),"shell","t",shenv))}
if tResult[1] == true then table.remove(tResult,1) end
for k,v in pairs(tResult) do
print(v)
end
end
end))