Date: Sat, 8 Dec 2012 00:58:09 -0500
From: [email protected]
To: [email protected]
CC: [email protected]
Subject: Re: vimdiff: how to calculate "delta" for digits in different lines?
On 12/8/2012 12:20 AM, Roy Fulbright wrote:
> > Date: Fri, 7 Dec 2012
23:50:17 -0500
> > From: [email protected]
> > To: [email protected]
> > Subject: vimdiff: how to ignore all same lines and show
ONLY diff lines?
> >
> > exports:
> > by default vimdiff will not only show the diff lines,
but also show a
> > couple of same lines to give you a sense of context.
> > how to suppress all same lines and display only those
diff lines?
> >
> > regards
> > ping
> >
> > --
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> Add the following line to .vimrc:
> set diffopt=filler,context:0
>
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thanks Roy (and Tony), that really works!
now I still feel that is a big weak comparing to what I wanted
achieve:
say I have these 2 captures from the devices:
Multicast routing enabled Multicast routing
enabled
Use Framed Routes = disabled Use Framed Routes
= disabled
In Received Packets 10, Bytes 1000 In Received
Packets 15, Bytes 150
Unicast Packets 10, Bytes 1000 Unicast Packets
15, Bytes 150
Multicast Packets 0, Bytes 0 Multicast
Packets 1, Bytes 54
In Policed Packets 0, Bytes 0 In Policed Packets
0, Bytes 0
In Error Packets 0 In Error Packets
0
In Invalid Source Address Packets 0 In Invalid Source
Address Packets 0
In Discarded Packets 0 In Discarded
Packets 0
Out Forwarded Packets 100, Bytes 10000 Out Forwarded
Packets 150, Bytes 15000
Unicast Packets 100, Bytes 10000 Unicast Packets
150, Bytes 15000
Multicast Routed Packets 0, Bytes 0 Multicast Routed
Packets 0, Bytes 0
Out Scheduler Dropped Packets 0, Bytes 0 Out Scheduler
Dropped Packets 0, Bytes 0
Out Policed Packets 0, Bytes 0 Out Policed
Packets 0, Bytes 0
Out Discarded Packets 0 Out Discarded
Packets 0
with above solution now I can focus on lines with an increased
counter(s).
But quite often I need to manually calculate the "delta" amount of
those counters.
so instead of just mark the diff lines, ideally if I can have the
2nd diff window displaying only the delta of those counters whenever
there is any difference
29 In Received Packets 10, Bytes 1000 29 In Received
Packets 5, Bytes 500
30 Unicast Packets 10, Bytes 1000 30
Unicast Packets 5, Bytes 500
31 Multicast Packets 0, Bytes 0 31
Multicast Packets 1, Bytes 54
32 +-- 4 lines: In Policed Packets 0, Bytes 0 32 +-- 4
lines: In Policed Packets 0, Bytes 0
36 Out Forwarded Packets 100, Bytes 10000 36 Out
Forwarded Packets 50, Bytes 5000
37 Unicast Packets 100, Bytes 10000 37
Unicast Packets 50, Bytes 5000
I don't find existing functions/scripts (say script 3745 or 3075)
can do that for me,
is that possible The easiest way I found to calculate and display the
delta of lines that differ is to write a short Perl program: #!/usr/bin/perl
use strict;
use warnings;my $file1 = "diff1.txt";
my $file2 = "diff2.txt";
open(my $fh1,'<', $file1) or die "Error opening $file1: $!\n";
open(my $fh2,'<', $file2) or die "Error opening $file2: $!\n";
while ( !eof($fh1) && !eof($fh2) ) {
my $t1 = <$fh1>;
my $t2 = <$fh2>;
chomp $t1;
chomp $t2;
if ($t1 ne $t2) {
my ($p1,$b1) = $t1 =~ /(\d+).*?(\d+)/;
my ($p2,$b2) = $t2 =~ /(\d+).*?(\d+)/;
my $pdelta = $p2 - $p1;
my $bdelta = $b2 - $b1;
print pack("A42",$t1), pack("A42",$t2), "$pdelta $bdelta\n";
}
}
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