dos for循环

for %1 in (%windir%system32*.dll) do regsvr32.exe /s %1

for /f %1 in (phone.txt) do (
    echo %1
    ping -n 5 127.0.0.1 > tmp_file
)

for %1 in (1 2 3 3 4) do (
    echo %1
    ping -n 3 127.0.0.1 > tmp_file
)