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Full Discussion: Sort data by date first and then remove duplicates
Top Forums Shell Programming and Scripting Sort data by date first and then remove duplicates Post 302810365 by shamrock on Tuesday 21st of May 2013 04:56:07 PM
Old 05-21-2013
Quote:
Originally Posted by samrat dutta
Hi Shamrock,
The time is distributed as :

2013-05-14T00:52:31.662-04:00 indicates YYYY-MM-DDThh:mm:ss.[miliseconds]-[GMT-4].

For me YYYY-MM-DDThh:mm:ss is ok if it can be sorted
This sort of thing is best doable in perl...
Code:
#!/usr/bin/perl

use warnings;
use Time::Local;
use Time::localtime;

while (<>) {
    chomp($_);
    @f = split(/\|/, $_);
    @dnt = split(/T/, $f[7]);
    $gmt = 4*60*60;

    my($yr, $mo, $dy) = split(/-/, $dnt[0]);
    my($hr, $mi, $sx) = split(/:/, $dnt[1]);
    my($se, $ms) = split(/\./, $sx);

    $ep = timelocal($se,$mi,$hr,$dy,$mo,$yr) + $gmt;
    push(@{$rec{$ep}}, $_);
}

foreach $t (sort keys %rec) {
    printf("%s\n", @{$rec{$t}});
};

Save the above perl script in a file and run it with your input file as an argument...
Code:
my_perl_script ref.psv

 

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LEARN ABOUT DEBIAN

flow-split

flow-split(1)						      General Commands Manual						     flow-split(1)

NAME

       flow-split -- Split flow files into smaller files.

SYNOPSIS

       flow-split [-gGhn]  [-b big|little]  [-C comment]  [-d debug_level]  [-N nflows]  [-o outfile_basename]	[-T nseconds]  [-z z_level]

DESCRIPTION

       The flow-split utility will split a flow file into smaller files based on the the number of flows or the ammount of time that has passed.

OPTIONS

       -b big|little
		 Byte order of output.

       -C Comment
		 Add a comment.

       -d debug_level
		 Enable debugging.

       -g	 Split on source tag.

       -G	 Split on destination tag.

       -h	 Display help.

       -n	 Use symbols for tag field in filename.

       -N nflows Split after processing nflows.

       -o outfile_basename
		 The basename of the resulting files.

       -T nsecond
		 Split after processing an interval of nseconds flows.

       -z z_level
		 Configure compression level to  z_level.  0 is disabled (no compression), 9 is highest compression.

EXAMPLES

       Create 1 minute flow files from the flow archive in /flows/krc4.  Store the results in /flows/krc4.split

	 flow-cat /flows/krc4 | flow-split -T60 -o /flows/krc4.split/1min.

BUGS

       None known.

AUTHOR

       Mark Fullmer maf@splintered.net

SEE ALSO

       flow-tools(1)

																     flow-split(1)
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