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Top Forums Shell Programming and Scripting First 4 Characters of a column in CSV file Post 302911837 by Sufer on Monday 4th of August 2014 02:57:32 AM
Old 08-04-2014
Chubler_XL ,

Thanks for response.

I am trying this:
Code:
#!/usr/bin/ksh
awk -v lengths=10,4,10 '
BEGIN { FS = ","  ; OFS = ","
        split(lengths,len,FS)
      }
      { n = 0
        while ( ++n <= NF ) $n = substr($n,1,len[n])
        print
      }' File

It works good but when I have input as:
Code:
Id,Text,File
"123","Th
is is unix file","Unix"

Its Giving:
Code:
Id,Text,File
"123","Th
is is unix

Its not accepting the new line when it comes in middle of the field.

Last edited by Franklin52; 08-04-2014 at 04:26 AM.. Reason: Please use 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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