/usr/bin/routel is in iproute2 4.9.0-1+deb9u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | #!/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
key=$1
val=$2
eval "$key=$val"
shift 2
done
echo "$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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