local tA = {...}
local si = tA[1] or os.getenv("sI")
os.setenv("sI",si)
_ENV = shutil.genenv()
print("lush v1/".._VERSION)
os.setenv("PSF",function()
 local ps = "["..os.getuid().."@"..net.id.." "..(os.getenv("PWD") or "").."]"
 if os.getuid() == "superuser" then ps = ps .. "# " else ps = ps .. "$ " end
 return ps end)
while true do
 local didexec = false
 write(os.getenv("PSF")())
 local inp=readln()
 if not inp then break end
 local rt = {shutil.exec(inp)}
 if rt[1] == true then
  table.remove(rt,1)
 end
 print(table.unpack(rt))
end