What lua feature can be used as pexpect in python or tcl expect?
snippet in lua

What lua feature can be used as pexpect in python or tcl expect?

user6238

for line in io.popen('/some/other/process'):lines() do
    -- previous line will block until output is available

    if line:match '^some regex' then
        -- match found! do some stuff
    end

end  -- EOF reached