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Full Discussion: Get value from file!!!!
Top Forums UNIX for Dummies Questions & Answers Get value from file!!!! Post 302116267 by Shell_Life on Wednesday 2nd of May 2007 04:50:44 PM
Old 05-02-2007
Jibu,
Again, shell does not handle arithmetics nor comparisons with decimal numbers.
The following code:
Code:
test_var() {
if [ $1 -lt 77 ]; then
 echo "$1 is less than 77"
else
 if [ $1 -eq 77 ]; then
   echo "$1 is equal 77"
 else
   echo "$1 is greater than 77"
 fi
fi
}

test_var 76.8
test_var 77.0
test_var 77.8

Gives the following output:
76.8 is less than 77
77.0 is equal 77
77.8 is equal 77
 

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LEARN ABOUT DEBIAN

sys::statistics::linux::loadavg

Sys::Statistics::Linux::LoadAVG(3pm)			User Contributed Perl Documentation		      Sys::Statistics::Linux::LoadAVG(3pm)

NAME

       Sys::Statistics::Linux::LoadAVG - Collect linux load average statistics.

SYNOPSIS

	   use Sys::Statistics::Linux::LoadAVG;

	   my $lxs  = Sys::Statistics::Linux::LoadAVG->new;
	   my $stat = $lxs->get;

DESCRIPTION

       Sys::Statistics::Linux::LoadAVG gathers the load average from the virtual /proc filesystem (procfs).

       For more information read the documentation of the front-end module Sys::Statistics::Linux.

LOAD AVERAGE STATISTICS

       Generated by /proc/loadavg.

	   avg_1   -  The average processor workload of the last minute.
	   avg_5   -  The average processor workload of the last five minutes.
	   avg_15  -  The average processor workload of the last fifteen minutes.

METHODS

   new()
       Call "new()" to create a new object.

	   my $lxs = Sys::Statistics::Linux::LoadAVG->new;

       It's possible to set the path to the proc filesystem.

	    Sys::Statistics::Linux::LoadAVG->new(
	       files => {
		   # This is the default
		   path    => '/proc',
		   loadavg => 'loadavg',
	       }
	   );

   get()
       Call "get()" to get the statistics. "get()" returns the statistics as a hash reference.

	   my $stat = $lxs->get;

EXPORTS

       No exports.

SEE ALSO

       proc(5)

REPORTING BUGS

       Please report all bugs to <jschulz.cpan(at)bloonix.de>.

AUTHOR

       Jonny Schulz <jschulz.cpan(at)bloonix.de>.

COPYRIGHT

       Copyright (c) 2006, 2007 by Jonny Schulz. All rights reserved.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.14.2							    2012-03-09				      Sys::Statistics::Linux::LoadAVG(3pm)
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