before, i can read mac with awk tools in windows or winpe, but now it don't support winpe 4.0 64-bit. i want to get this result "set mac=A4BADB9D1E8E" with python 2.6, who could help to me. thanks a lot!

as follows:

ipconfig -all|sed -nrf getmac.sed | sed -e "s/-//g" > D:\LOG\WINMAC.BAT

getmac.sed: /Realtek/ { n; s/.*: ([-0-9A-F]+)/set winmac=\1/p; }

and "ipconfig -all" command log as bellows:

ipconfig -all >mac.log

Ethernet adapter Ethernet:

Media State . . . . . . . . . . . : Media disconnected

Connection-specific DNS Suffix . : WKSCN.WISTRON

Description . . . . . . . . . . . : Realtek PCIe FE Family Controller

Physical Address. . . . . . . . . : 24-B6-FD-1F-41-E7

DHCP Enabled. . . . . . . . . . . : Yes

Autoconfiguration Enabled . . . . : Yes