regex - use grep/sed/awk to extract string corresponding to certain field -

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on fedora system, following:

$  cat /proc/net/arp  ip address      hw type     flags       hw address            mask     device 130.48.0.1       0x1         0x2         80:4b:c7:10:3e:41     *        wlp1s0

how can pipe result of device (in case answer wlp1s0) using screen editor such sed or grep or awk?

thanks!

$ awk '/^[0-9]/{print $6}' /proc/net/arp  wlp1s0

  • /^[0-9]/ selects lines start digit, ip

  • print $6 prints 6th colum being device


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