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Editing: get-mac-address.sh
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#!/bin/sh set -e export LANG=C iface="$1" mac=$(/sbin/ifconfig "$iface" | sed -n -e '/^.*HWaddr \([:[:xdigit:]\-]*\).*/{s//\1/;y/ABCDEF/abcdef/;p;q;}') which="" while read testmac scheme; do if [ "$which" ]; then continue; fi if [ "$mac" = "$(echo "$testmac" | sed -e 'y/ABCDEF/abcdef/')" ]; then which="$scheme"; fi done if [ "$which" ]; then echo $which; exit 0; fi exit 1
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