07-09-2008
Count total unique destination for source
Hi, need help how to count unique destination for the source ip. The file is contains 4 number of fields. Example of the file is here
HTML Code:
src ip dest ip #of flows total bytes
192.168.6.0 88.0.33.2 12 128
192.168.6.0 88.0.33.2 1 168
192.168.6.0 111.22.35.0 2 364
192.168.5.0 88.0.33.2 1 125
.....
I want to count the unique destination, total flows and total bytes per sorce ip. The output that I want it to be is this
HTML Code:
192.168.6.0 2 15 660
192.168.5.0 1 1 125
.....
Is anyone can help me?
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LEARN ABOUT REDHAT
strcpy
STRCPY(3) Linux Programmer's Manual STRCPY(3)
NAME
strcpy, strncpy - copy a string
SYNOPSIS
#include <string.h>
char *strcpy(char *dest, const char *src);
char *strncpy(char *dest, const char *src, size_t n);
DESCRIPTION
The strcpy() function copies the string pointed to by src (including the terminating ` ' character) to the array pointed to by dest. The
strings may not overlap, and the destination string dest must be large enough to receive the copy.
The strncpy() function is similar, except that not more than n bytes of src are copied. Thus, if there is no null byte among the first n
bytes of src, the result will not be null-terminated.
In the case where the length of src is less than that of n, the remainder of dest will be padded with nulls.
RETURN VALUE
The strcpy() and strncpy() functions return a pointer to the destination string dest.
BUGS
If the destination string of a strcpy() is not large enough (that is, if the programmer was stupid/lazy, and failed to check the size
before copying) then anything might happen. Overflowing fixed length strings is a favourite cracker technique.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
bcopy(3), memccpy(3), memcpy(3), memmove(3)
GNU
1993-04-11 STRCPY(3)