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Top Forums Shell Programming and Scripting Calculate data and make it into new column using awk Post 302524568 by yat on Monday 23rd of May 2011 11:27:48 PM
Old 05-24-2011
Calculate data and make it into new column using awk

Hi everyone, just some simple question...

i've been using a awk script to calculate my data...

i have 3 files:

file a1.txt:
Code:
2
3
4
5
3
4

file a2.txt:
Code:
4
5
6
7
8

file a3.txt:
Code:
2
5
1
3
4

i successfully calculate the average of each file using awk:
Code:
awk '{ s += $1 } END { print s/NR }' a1.txt
awk '{ s += $1 } END { print s/NR }' a2.txt
awk '{ s += $1 } END { print s/NR }' a3.txt

the results were (3.5, 6 and 3) which is pretty easy..

now i want to combine all this into 1 file and each have different columns and called it avg.txt which have something like this in the end:
Code:
3.5 6 3

help is much appreciated, Tq

Last edited by Franklin52; 05-24-2011 at 12:41 PM.. Reason: Please use code tags
 

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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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