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Full Discussion: Help in extracting multiple files and taking average at same time
Top Forums Shell Programming and Scripting Help in extracting multiple files and taking average at same time Post 302228194 by ahjiefreak on Saturday 23rd of August 2008 11:23:26 AM
Old 08-23-2008
Help in extracting multiple files and taking average at same time
Hi,

I have 20 files which have respective 50 lines with different values.

I would like to process each line of the 50 lines in these 20 files one at a time and do an average of 3rd field ($3) of these 20 files. This will be output to an output file.

Instead of using join to generate whole bunch of redundant files and then compute the average, im looking any other possible better way to do the above right away.

E.g

apple.txt
tool1 2.00 4 30.20
tool2 3.00 5 40.22
tool3 2.00 6 45.32
....
tool50 ...........


orange.txt
tool1 1.00 2 30.20
tool2 4.00 3 40.22
tool3 6.00 4 45.32
...
tool50 ...

bar.txt
tool1 2.10 1 30.20
tool2 3.04 4 40.22
tool3 2.02 5 45.32
...
tool50 .....

and the remaining 17 files of different names.

The output would be:-
tool1 (4+2+1+....)/20
tool2 (5+3+4+...)/20
tool3 (6+4+5+...)/20
....
tool50....

Please advise. THanks.
 

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LEARN ABOUT DEBIAN

binfmt.d

BINFMT.D(5)							     binfmt.d							       BINFMT.D(5)

NAME

       binfmt.d - Configure additional binary formats at boot

SYNOPSIS

       /etc/binfmt.d/*.conf

       /run/binfmt.d/*.conf

       /usr/lib/binfmt.d/*.conf

DESCRIPTION

       systemd uses files from the above directories to configure additional binary formats to register during boot in the kernel.

CONFIGURATION FORMAT

       Each file contains a list of binfmt_misc kernel binary format rules. Consult binfmt_misc.txt[1] for more information on registration of
       additional binary formats and how to write rules.

       Empty lines and lines beginning with ; and # are ignored. Note that this means you may not use ; and # as delimiter in binary format rules.

       Each configuration file is named in the style of <program>.conf. Files in /etc/ overwrite files with the same name in /usr/lib/. Files in
       /run overwrite files with the same name in /etc/ and /usr/lib/. Packages should install their configuration files in /usr/lib/, files in
       /etc/ are reserved for the local administration, which possibly decides to overwrite the configurations installed from packages. All files
       are sorted by filename in alphabetical order, regardless in which of the directories they reside, to ensure that a specific configuration
       file takes precedence over another file with an alphabetically later name.

EXAMPLE

       Example 1. /etc/binfmt.d/wine.conf example:

	   # Start WINE on Windows executables
	   :DOSWin:M::MZ::/usr/bin/wine:

SEE ALSO

       systemd(1), wine(8)

AUTHOR

       Lennart Poettering <lennart@poettering.net>
	   Developer

NOTES

	1. binfmt_misc.txt
	   http://www.kernel.org/doc/Documentation/binfmt_misc.txt

systemd 							    10/07/2013							       BINFMT.D(5)
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