Maybe this helps :
tail -1 file
and redirect the output to a file.
On Mon, Sep 22, 2008 at 10:46 PM, John W. Krahn <[EMAIL PROTECTED]> wrote:
> Mr. Shawn H. Corey wrote:
>
>> On Wed, 2008-09-17 at 13:18 +0100, Stewart Anderson wrote:
>>
>>> How about a system(tail -x inputfile >> mylastfile)
Mr. Shawn H. Corey wrote:
On Wed, 2008-09-17 at 13:18 +0100, Stewart Anderson wrote:
How about a system(tail -x inputfile >> mylastfile)type call to
get the last line and then open the mylastfile to work on the line
there?
The UNIX utility tail(1) still reads the entire file.
The
Manasi Bopardikar wrote:
I have a log file-
[ snip ]
How can I get the last entry of this file?
use File::ReadBackwards;
my $bw = File::ReadBackwards->new( 'log_file' ) or die "can't read
'log_file' $!";
my $last_line = $bw->readline;
John
--
Perl isn't a toolbox, but a small machine
On Wed, 2008-09-17 at 13:18 +0100, Stewart Anderson wrote:
> How about a system(tail -x inputfile >> mylastfile)type call to
> get the last line and then open the mylastfile to work on the line
> there?
>
The UNIX utility tail(1) still reads the entire file.
--
Just my 0.0002 mil
On Wed, 2008-09-17 at 13:55 +0200, Rob Coops wrote:
> my $last_line;
> while( <> ){
> $last_line = $_;
> }
>
> Sure... depends on the size of the log, though. Do that for a log that
> is
> say 500MB in size and you are in for quite a wait as it will loop over
> each
> line in the file will it not
try this...
perl -ne'$l = $_; END { print $l }' /tmp/1.txt
--Hridyesh
Stewart Anderson wrote:
From: Rob Coops [mailto:[EMAIL PROTECTED]
Sent: 17 September 2008 12:55
To: Mr. Shawn H. Corey
Cc: Manasi Bopardikar; beginners@perl.org
Subject: Re: Get the last entry of log file
my
> From: Rob Coops [mailto:[EMAIL PROTECTED]
> Sent: 17 September 2008 12:55
> To: Mr. Shawn H. Corey
> Cc: Manasi Bopardikar; beginners@perl.org
> Subject: Re: Get the last entry of log file
>
> my $last_line;
> while( <> ){
> $last_line = $_;
> }
>
&
my $last_line;
while( <> ){
$last_line = $_;
}
Sure... depends on the size of the log, though. Do that for a log that is
say 500MB in size and you are in for quite a wait as it will loop over each
line in the file will it not?
On Wed, Sep 17, 2008 at 1:46 PM, Mr. Shawn H. Corey <[EMAIL PROTECTED
On Wed, 2008-09-17 at 15:41 +0530, Manasi Bopardikar wrote:
> I have a log file-
>
> | 15 Sep 2008 - 06:37 | TWikiGuest | view | TWiki.WebHome | Mozilla |
> 10.88.68.26 |
>
> | 15 Sep 2008 - 06:37 | TWikiGuest | view | TWiki.TWikiFAQ | Mozilla |
> 10.88.68.26 |
>
> | 15 Sep 2008 - 06:38 | TWik
m/([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})/
Should do the trick I guess of course there are fancier ways but this
will do the trick...
Regards,
Rob
On Wed, Sep 17, 2008 at 12:11 PM, Manasi Bopardikar <
[EMAIL PROTECTED]> wrote:
> I have a log file-
>
> | 15 Sep 2008 - 06:37 | TWiki
I have a log file-
| 15 Sep 2008 - 06:37 | TWikiGuest | view | TWiki.WebHome | Mozilla |
10.88.68.26 |
| 15 Sep 2008 - 06:37 | TWikiGuest | view | TWiki.TWikiFAQ | Mozilla |
10.88.68.26 |
| 15 Sep 2008 - 06:38 | TWikiGuest | view | TWiki.TWikiTutorial | Mozilla |
10.88.68.26 |
| 15 Sep 2008
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