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Full Discussion: Shell script - group by
Top Forums Shell Programming and Scripting Shell script - group by Post 302900210 by baladelaware73 on Monday 5th of May 2014 12:10:16 PM
Old 05-05-2014
Below Awk sum the value correctly based on username, but not dividing the sum of values based on number of rows of user name. I need something like
root 50 oracle 75 .......can anyone shed some light please?
Code:
awk '        {                for ( i = 1; i <= NF; i += 2 )                        A[$i] += $( i + 1 )        }        END {                for ( k in A )                        printf "%s %s ", k, A[k]                printf "\n"        }' file

Last edited by vbe; 05-05-2014 at 01:29 PM..
 

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LEARN ABOUT SUNOS

sum

sum(1B) 					     SunOS/BSD Compatibility Package Commands						   sum(1B)

NAME

       sum - calculate a checksum for a file

SYNOPSIS

       /usr/ucb/sum file...

DESCRIPTION

       sum  calculates	and  displays a 16-bit checksum for the named file and displays the size of the file in kilobytes. It is typically used to
       look for bad spots, or to validate a file communicated over some transmission line. The checksum is calculated by an  algorithm	which  may
       yield different results on machines with 16-bit ints and machines with 32-bit ints, so it cannot always be used to validate that a file has
       been transferred between machines with different-sized ints.

USAGE

       See largefile(5) for the description of the behavior of sum when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       sum(1), wc(1), attributes(5), largefile(5)

DIAGNOSTICS

       Read error is indistinguishable from EOF on most devices; check the block count.

NOTES

       sum and /usr/bin/sum (see sum(1)) return different checksums.

       This utility is obsolete.

SunOS 5.10							    8 Nov 1995								   sum(1B)
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