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Top Forums UNIX for Dummies Questions & Answers Find the average based on similar names in the first column Post 302739525 by FelipeAd on Tuesday 4th of December 2012 10:09:32 AM
Old 12-04-2012
Sorry bakunin, I am not sure i understood what you said.
I found from a previous thread

HTML Code:
https://www.unix.com/shell-programming-scripting/121566-averaging-multiple-columns.html
that in order to find the average (after grep for name1) for a number of columns, the correct code would be:

Code:
 grep name1 file.txt|awk '{for (i=2;i<=NF;i++) s[i]+=$i}END{for(i=2;i in s;i++) printf("%.3f%c"),s[i]/NR,((i+1) in s) ?OFS:ORS}'

but it only prints the (average) number and not 'name 1' at the beginning of the line.
Can someone tell me how to do this?

I mean now the output is

Code:
avg1 avg2 avg3 avg4

but i want it to be

Code:
name1 avg1 avg2 avg3 avg4

 

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ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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