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Top Forums Shell Programming and Scripting Extracting files having maximum timestamp Post 302830671 by smile689 on Tuesday 9th of July 2013 10:07:35 AM
Old 07-09-2013
Extracting files having maximum timestamp

Hi ,
I'm using Ksh 88
I've the following files in a directory with YearMonthDate (Ex:20130601)
Code:
YDT:FILE1:20130601
YDT:FILE1:20130615
YDT:FILE2:20130601
YDT:FILE2:20130615
YDT:FILE3:20130601
YDT:FILE3:20130615

And i need the files having maximum timestamp , Means i need to display
Code:
YDT:FILE1:20130615
YDT:FILE2:20130615
YDT:FILE3:20130615

Please suggest me the way to achieve this .

Thank You
Moderator's Comments:
Mod Comment use code tags next time!!

Last edited by smile689; 07-09-2013 at 11:49 AM.. Reason: Updating version
 

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COMM(1) 							   User Commands							   COMM(1)

NAME
comm - compare two sorted files line by line SYNOPSIS
comm [OPTION]... FILE1 FILE2 DESCRIPTION
Compare sorted files FILE1 and FILE2 line by line. With no options, produce three-column output. Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and column three contains lines common to both files. -1 suppress column 1 (lines unique to FILE1) -2 suppress column 2 (lines unique to FILE2) -3 suppress column 3 (lines that appear in both files) --check-order check that the input is correctly sorted, even if all input lines are pairable --nocheck-order do not check that the input is correctly sorted --output-delimiter=STR separate columns with STR --help display this help and exit --version output version information and exit Note, comparisons honor the rules specified by 'LC_COLLATE'. EXAMPLES
comm -12 file1 file2 Print only lines present in both file1 and file2. comm -3 file1 file2 Print lines in file1 not in file2, and vice versa. GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report comm translation bugs to <http://translationproject.org/team/> AUTHOR
Written by Richard M. Stallman and David MacKenzie. COPYRIGHT
Copyright (C) 2013 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
join(1), uniq(1) The full documentation for comm is maintained as a Texinfo manual. If the info and comm programs are properly installed at your site, the command info coreutils 'comm invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 COMM(1)
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