[apple/network_cmds.git] / traceroute.tproj / mean.awk

#!/bin/awk -f
#
# Copyright (c) 1990, 1993
#       The Regents of the University of California.  All rights reserved.
#
# This code is derived from software contributed to Berkeley by
# Van Jacobson.
#
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# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#       This product includes software developed by the University of
#       California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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#
#       @(#)mean.awk    8.1 (Berkeley) 6/6/93
#
/^ *[0-9]/      {
        # print out the average time to each hop along a route.
        tottime = 0; n = 0;
        for (f = 5; f <= NF; ++f) {
                if ($f == "ms") {
                        tottime += $(f - 1)
                        ++n
                }
        }
        if (n > 0)
                print $1, tottime/n, median
}