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Full Discussion: Shell script - to see if any change from last csv
Top Forums Programming Shell script - to see if any change from last csv Post 302991918 by Scrutinizer on Saturday 18th of February 2017 08:12:57 AM
Old 02-18-2017
Try something like:

Code:
awk '
  {
    s=$1
    for(i=4; i<=6; i++) {
      if (FNR==NR) 
        A[NR,i]=$i
      else
        s=s OFS A[FNR,i]-$i
    }
  }
  NR>FNR && FNR>1 {
    print s
  }
' FS=, OFS=, 15-02-2017_XSAreport.csv 16-02-2017_XSAreport.csv

This User Gave Thanks to Scrutinizer For This Post:
robertkwild
 

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LEARN ABOUT DEBIAN

linux::distribution::packages

Linux::Distribution::Packages(3pm)			User Contributed Perl Documentation			Linux::Distribution::Packages(3pm)

NAME

       Linux::Distribution::Packages - list all packages on various Linux distributions

SYNOPSIS

	 use Linux::Distribution::Packages qw(distribution_packages distribution_write);

	 $linux = new Linux::Distribution::Packages({'format' => 'csv', 'output_file' => 'packages.csv'});
	 $linux->distribution_write();

	 # Or you can (re)set the options when you write.
	 $linux->distribution_write({'format' => 'xml', 'output_file' => 'packages.xml'});

	 # If you want to reload the package data
	 $linux->distribution_packages();

DESCRIPTION

       This is a simple module that uses Linux::Distribution to guess the linux distribution and then uses the correct commands to list all the
       packages on the system and then output them in one of three formats:  native, csv, and xml.

       Distributions currently working:  debian, ubuntu, fedora, redhat, suse, gentoo, slackware, redflag.

       The module inherits from Linux::Distribution, so can also use its calls.

   EXPORT
       None by default.

TODO

       * Add the capability to correctly get packages for all recognized distributions.  * Seperate out parsing from writing.  Parse data to hash
       and give access to hash.  Then write the formatted data from the hash.

AUTHORS

       Judith Lebzelter, <judith@osdl.org> Alberto Re, <alberto@accidia.net>

COPYRIGHT AND LICENSE

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.5 or,
       at your option, any later version of Perl 5 you may have available.

perl v5.10.1							    2006-04-19					Linux::Distribution::Packages(3pm)
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