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Full Discussion: Compare sum of two columns if variance is zero do nothing else send an email
Top Forums UNIX for Beginners Questions & Answers Compare sum of two columns if variance is zero do nothing else send an email Post 303018289 by RudiC on Saturday 2nd of June 2018 03:56:56 AM
Old 06-02-2018
It's not that easy, it needs a slightly different approach: not count up and then down a single variable, but sum up first var, then second, and then print both and their difference.
Try and post here for discussion.
Last edited by RudiC; 06-02-2018 at 02:17 PM.. Reason: word missing
This User Gave Thanks to RudiC For This Post:
Tahir_M
 

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LEARN ABOUT LINUX

sum

SUM(1)								   User Commands							    SUM(1)

NAME

       sum - checksum and count the blocks in a file

SYNOPSIS

       sum [OPTION]... [FILE]...

DESCRIPTION

       Print checksum and block counts for each FILE.

       -r     use BSD sum algorithm, use 1K blocks

       -s, --sysv
	      use System V sum algorithm, use 512 bytes blocks

       --help display this help and exit

       --version
	      output version information and exit

       With no FILE, or when FILE is -, read standard input.

AUTHOR

       Written by Kayvan Aghaiepour and David MacKenzie.

REPORTING BUGS

       Report sum bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report sum translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The  full  documentation  for sum is maintained as a Texinfo manual.  If the info and sum programs are properly installed at your site, the
       command

	      info coreutils 'sum invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							    SUM(1)
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