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Full Discussion: compare versions.
Top Forums Shell Programming and Scripting compare versions. Post 302537971 by successlin on Monday 11th of July 2011 09:20:51 AM
Old 07-11-2011
compare versions.

Hi ,
I have versions something like 1.10.0 and 1.9.1 and i want to compare them.
I wrote sample program like below.

Code:
#!/usr/bin/perl
my $var1 = "1.10.0";
my $var2 = "1.9.0";
if ($var1 eq $var2)
{
print "EQUAL\n";
}
if ($var1 gt $var2)
{
print "GREATER $var1 $var2\n";
}
if ($var1 lt $var2)
{
print "LOWER $var1 $var2\n";
}

This is printing LOWER ene though 1.10.0 is greater than 1.9.1.
Please help me how to compare these type of numbers.

Last edited by pludi; 07-11-2011 at 10:48 AM..
 

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Graphics::Primitive::Insets(3pm)			User Contributed Perl Documentation			  Graphics::Primitive::Insets(3pm)

NAME
Graphics::Primitive::Insets - Space between things DESCRIPTION
Graphics::Primitive::Insets represents the amount of space that surrounds something. This object can be used to represent either padding or margins (in the CSS sense, one being inside the bounding box, the other being outside) SYNOPSIS
use Graphics::Primitive::Insets; my $insets = Graphics::Primitive::Insets->new({ top => 5, bottom => 5, left => 5, right => 5 }); METHODS
Constructor new Creates a new Graphics::Primitive::Insets. Instance Methods as_array Return these insets as an array in the form of top, right, bottom and left. bottom Set/Get the inset from the bottom. equal_to Determine if these Insets are equal to another. left Set/Get the inset from the left. right Set/Get the inset from the right. top Set/Get the inset from the top. zero Sets all the insets (top, left, bottom, right) to 0. AUTHOR
Cory Watson, "<gphat@cpan.org>" SEE ALSO
perl(1) COPYRIGHT &; LICENSE Copyright 2008-2010 by Cory G Watson. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.12.3 2010-08-21 Graphics::Primitive::Insets(3pm)
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