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Full Discussion: Help with Bash shell script
Top Forums Shell Programming and Scripting Help with Bash shell script Post 303020089 by npk on Friday 13th of July 2018 04:10:22 AM
Old 07-13-2018
Quote:
Originally Posted by RudiC
How about
Code:
awk -vDT="$(date +'%d%b%Y')" '
        {sum2 += $2
         sum3 += $3
         sum4 += $4
         sum5 += $5
        }
END     {GIGA=2^30
         print DT, sum2/GIGA, sum3/GIGA, sum4/GIGA , sum5/NR
        }
'

In your $5 summation, your take advantage of awk's behaviour to take into account leading digits only and to silently drop trailing non-digits (and followers) from a string if used in arithmetics. Please be aware of your uuoc (useless use of cat) - it's more widely accepted to read a file in a while loop.

Thanks Rudic. This helped me. However i just can't figure out how to remove the decimals. I just need the output in numbers without decimals. Can you please help.
 

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LEARN ABOUT DEBIAN

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)
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