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#!/bin/bash
# add ethnet interface sub-block to configure file
shopt -s extglob
if [[ "$*" == *--help* ]] ; then
echo ${0##*/} [test_]FILE INTERFACE HWID
exit 0
fi
if [[ "$1" == test_* ]] ; then
origfile=$1
bootfile=/tmp/${1##*/}_$$
cp $origfile $bootfile
trap "diff -c $origfile $bootfile; rm -f $bootfile; exit 0" $?
else
origfile=
bootfile=$1
fi
eth=$2
hwid=$3
sed -i '/^interfaces {$/,/^}$/ {
/^}$/i\
ethernet '"$eth"' {\
hw-id: '"$hwid"'\
link-detect\
}
}' $bootfile
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