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Top Forums Shell Programming and Scripting Read csv file, convert the data and make one text file in UNIX shell scripting Post 302984835 by RJG on Tuesday 1st of November 2016 09:16:13 AM
Old 11-01-2016
Read csv file, convert the data and make one text file in UNIX shell scripting

I have input data looks like this which is a part of a csv file
Code:
7,1265,76548,"0102:04"
8,1266,76545,"0112:04"

I need to make the output data should look like this and the output data will be part of text file:

Code:
7|1265000  |7654899   |A|
8|12660000   |76545999    |B|

The logic behind the output data

1st output field= 1st input field

2nd output field= 2nd input field+(1st input field-length(2nd input field))zeros+(1st input field-length(3rd input field))spaces

3rd output field= 3rd input field+(1st input field-length(3rd input field))nines+(1st input field-length(2nd input field))spaces

4th Output field=
If the 3rd field of the quoted string is 0, 4th output will be A
If the 3rd field of the quoted string is 1, 4th output will be B


How can I do it using UNIX shell scripting?



Moderator's Comments:
Mod Comment Please use CODE tags as required by forum rules!

Last edited by RudiC; 11-01-2016 at 10:27 AM.. Reason: Added CODE tags.
 

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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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