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Full Discussion: Independent column sorting
Top Forums UNIX for Dummies Questions & Answers Independent column sorting Post 302896401 by Akshay Hegde on Monday 7th of April 2014 11:48:20 AM
Old 04-07-2014
Try :

Code:
#!/bin/ksh

# Loop through files
for file in *.csv; do

# counting fields from first line and assuming fields in remaining lines are equal to first line
field=$(awk -F, 'NR==1{print NF;exit}' $file)

# Creating arguments here
for(( i=1; i<=$field; i++ )); do
  [ $i -eq 1 ] && arg="<(cut -d, -f$i $file | sort)" || arg="$arg  <(cut -d, -f$i $file | sort)"
done

# Final command to execute
final_cmd="paste $arg | tr -s '\t' ','"

# writing to new file
eval $final_cmd >"output_new_$file"

done

Code:
$ cat a.csv 
1,5,7
3,4,9
2,6,8

$ ksh tester

$ ls *.csv -1
a.csv
output_new_a.csv

$ cat output_new_a.csv 
1,4,7
2,5,8
3,6,9

Last edited by Akshay Hegde; 04-07-2014 at 12:54 PM..
This User Gave Thanks to Akshay Hegde For This Post:
A-V
 

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LEARN ABOUT DEBIAN

ifpps

ifpps(8)							netsniff-ng-toolkit							  ifpps(8)

NAME

       ifpps - fetch and format kernel network statistics

SYNOPSIS

       ifpps	 -d|--dev <netdev> [-t|--interval <sec>][-p|--promisc][-c|--term]
	    [-C|--csv][-H|--csv-tablehead][-l|--loop][-v|--version][-h|--help]

DESCRIPTION

       A tiny tool to provide top-like reliable networking statistics.	ifpps reads out the 'real' kernel statistics, so it does not give
       erroneous statistics on high I/O load.

OPTIONS

       ifpps --dev eth0
	   Fetch eth0 interface statistics.

       ifpps --dev eth0 --interval 60 --csv
	   Output eth0 interface statistics every minute in CSV format.

OPTIONS

       -h|--help
	   Print help text and lists all options.

       -v|--version
	   Print version.

       -d|--dev <netdev>
	   Device to fetch statistics for i.e., eth0.

       -p|--promisc
	   Put the device in promiscuous mode

       -t|--interval <time>
	   Refresh time in sec (default 1 sec)

       -c|--term
	   Output to terminal

       -C|--csv
	   Output in CSV format.  E.g. post-processing with Gnuplot et al.

       -H|--csv-tablehead
	   Print CSV table head.

       -l|--loop
	   Loop terminal output.

AUTHOR

       Written by Daniel Borkmann <daniel@netsniff-ng.org>

DOCUMENTATION

       Documentation by Emmanuel Roullit <emmanuel@netsniff-ng.org>

BUGS

       Please report bugs to <bugs@netsniff-ng.org>

								    2012-06-29								  ifpps(8)
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