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|
#!/bin/sh
#$Id$
#
# Script created by: Stephen R. van den Berg <srb@cuci.nl>, 1999/04/18
# Donated to the public domain.
#
# This script transforms the output of "ip" into more readable text.
# "ip" is the Linux-advanced-routing configuration tool part of the
# iproute package.
#
test "X-h" = "X$1" && echo "Usage: $0 [tablenr [raw ip args...]]" && exit 64
test -z "$*" && set 0
ip route list table "$@" |
while read network rest
do set xx $rest
shift
proto=""
via=""
dev=""
scope=""
src=""
table=""
case $network in
broadcast|local|unreachable) via=$network
network=$1
shift
;;
esac
while test $# != 0
do
case "$1" in
proto|via|dev|scope|src|table)
key=$1
val=$2
eval "$key='$val'"
shift 2
;;
dead|onlink|pervasive|offload|notify|linkdown|unresolved)
shift
;;
*)
# avoid infinite loop on unknown keyword without value at line end
shift
shift
;;
esac
done
echo "$network $via $src $proto $scope $dev $table"
done | awk -F ' ' '
BEGIN {
format="%15s%-3s %15s %15s %8s %8s%7s %s\n";
printf(format,"target","","gateway","source","proto","scope","dev","tbl");
}
{ network=$1;
mask="";
if(match(network,"/"))
{ mask=" "substr(network,RSTART+1);
network=substr(network,0,RSTART);
}
via=$2;
src=$3;
proto=$4;
scope=$5;
dev=$6;
table=$7;
printf(format,network,mask,via,src,proto,scope,dev,table);
}
'
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