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Annotation of 43BSDReno/usr.sbin/traceroute/mean.awk, revision 1.1

1.1     ! root        1: #!/bin/awk -f
        !             2: #
        !             3: # Copyright (c) 1990 The Regents of the University of California.
        !             4: # All rights reserved.
        !             5: #
        !             6: # This code is derived from software contributed to Berkeley by
        !             7: # Van Jacobson.
        !             8: #
        !             9: # Redistribution and use in source and binary forms are permitted
        !            10: # provided that the above copyright notice and this paragraph are
        !            11: # duplicated in all such forms and that any documentation,
        !            12: # advertising materials, and other materials related to such
        !            13: # distribution and use acknowledge that the software was developed
        !            14: # by the University of California, Berkeley.  The name of the
        !            15: # University may not be used to endorse or promote products derived
        !            16: # from this software without specific prior written permission.
        !            17: # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            18: # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            19: # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            20: #
        !            21: #      @(#)mean.awk    5.2 (Berkeley) 4/28/90
        !            22: #
        !            23: /^ *[0-9]/     {
        !            24:        # print out the average time to each hop along a route.
        !            25:        tottime = 0; n = 0;
        !            26:        for (f = 5; f <= NF; ++f) {
        !            27:                if ($f == "ms") {
        !            28:                        tottime += $(f - 1)
        !            29:                        ++n
        !            30:                }
        !            31:        }
        !            32:        if (n > 0)
        !            33:                print $1, tottime/n, median
        !            34: }

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