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#!/bin/sh
bridge_parse_ports()
{
while [ x"${1+set}" = xset ]
do
# For compatibility: the `all' option.
case $1 in
all)
shift &&
set regex eth.\* em.\* 'p[0-9].*' noregex "$@"
;;
esac
# Primitive state machine...
case $1-`uname -s` in
regex-Linux)
all_interfaces=`sed -n 's%^[\ ]*\([^:]*\):.*$%\1%p' < /proc/net/dev`
shift
;;
regex-*)
echo -n "$0 needs to be ported for your `uname -s` system. " >&2
echo "Trying to continue nevertheless." >&2
shift
;;
noregex-*)
all_interfaces=
unset all_interfaces
shift
;;
esac
case ${all_interfaces+regex}-${1+set} in
regex-set)
# The following interface specification are to be parsed as regular
# expressions against all interfaces the system provides.
i=`egrep "^$1$" << EOAI
$all_interfaces
EOAI
`
shift
;;
*-set)
# Literal interfaces.
i=$1
shift
;;
*)
# No interface specification is following.
i=
;;
esac
echo $i
done
}
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