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Full Discussion: Sum Column Value
Top Forums Shell Programming and Scripting Sum Column Value Post 302909611 by Rocket on Thursday 17th of July 2014 10:20:54 PM
Old 07-17-2014
Thanks Mike.
But this does not solve my problem i still get 3 cent difference

BTW if i use BC by reading the entire file row by row, i get the correct answer, but it takes 6 hours to run, as there are 15 million records


total=0
for a in `cat data.txt`;do
total=`echo "scale=2;($total+$a)/1"|bc`

done
echo $total
 

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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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