Pastebin run

local arg = {...}
local runStr = "pastebin run "
if (arg[1]==nil) then
    print("Нет входных параметров!")
else
    if (arg[2]==nil) then
        runStr = runStr..arg[1]
    else
        runStr = runStr..arg[1]..' '..arg[2]
    end
    local success, reason = shell.execute(runStr)
    if not success then
        print(reason)
    end
    print (success)
end