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Top Forums Shell Programming and Scripting Filtering out duplicates with the highest version number Post 302723231 by mantis on Monday 29th of October 2012 05:37:00 PM
Old 10-29-2012
Filtering out duplicates with the highest version number

Hi,

I have a huge text file with filenames which which looks like the following ie uniquenumber_version_filename:

e.g.
Code:
1234_1_xxxx
1234_2_vfvfdbb
343333_1_vfvfdvd
2222222_1_ggggg
55555_1_xxxxxx
55555_2_vrbgbgg
55555_3_grgrbr


What I need to do is examine the file, look for duplicate uniquenumbers and then filter out the uniquenumber with the highest version, so for example in the above it would be the following:
Code:
1234_2_vfvfdbb
55555_3_grgrbr

Is there a scripted method by which I can do this?

Thanks in advance
Mantis

Last edited by Franklin52; 10-30-2012 at 07:12 AM.. Reason: Please use code tags for data and code samples
 

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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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