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grep a log file between 2 dates

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Top Forums Shell Programming and Scripting grep a log file between 2 dates
# 15  
Old 06-29-2007
Quote:
Originally Posted by anbu23
Code:
#!/usr/bin/perl
while( <> )
{
        $results = $results . $_ if ( $_ >="2007/03/20 15:13" && $_ <= "2007/08/19 14:31" )
}

In the above code, where I am specifying my log file to read from, in your previous codes "filename"?
# 16  
Old 06-29-2007
Quote:
Originally Posted by Epiphone
In the above code, where I am specifying my log file to read from, in your previous codes "filename"?
Script.pl
Code:
#!/usr/bin/perl
while( <> )
{
        $results = $results . $_ if ( $_ >="2007/03/20 15:13" && $_ <= "2007/08/19 14:31" )
}

Run the script with your filename as
Code:
Script.pl your_log_filename

# 17  
Old 06-29-2007
ahh ok I get it. Last question now hopefully.

I already have assigned a variable to the name of the log = $log

so instead of the while (<>) which is just reading from the argument, how can I change this for $log?
# 18  
Old 06-30-2007
Quote:
Originally Posted by Epiphone
ahh ok I get it. Last question now hopefully.

I already have assigned a variable to the name of the log = $log

so instead of the while (<>) which is just reading from the argument, how can I change this for $log?
Code:
#!/usr/bin/perl
$log="filename";
open FILE , $log;
while( <FILE> )
{
        $results = $results . $_ if ( $_ >="2007/03/20 15:13" && $_ <= "2007/08/19 14:31" )
}

# 19  
Old 07-02-2007
just realised this is not working at all, just gives me back every line and not filtering by the date and time etc

runing:

perl -ne ' print if ( $_ >="2007/05/20 15:13" && $_ <= "2007/08/19 14:31" ) ' filename


2007/05/25 15:51:36.957753
2007/05/25 15:51:36.958117
2007/05/25 15:56:06.670401
2007/05/25 15:56:06.670683
2007/05/25 16:07:12.145404
2007/05/25 16:07:12.145701
2007/04/14 16:07:12.145701

u can see that im getting the last entry too - 2007/04/14 16:07:12.145701
# 20  
Old 07-02-2007
the log file actually contains more than just the date and time of course

2007/05/25 15:51:36.957753 dsfsdf dsfdfdf-sdfdfdf Trace name: sfsdfdsf

So shall i just add .* after the time like with regex?
# 21  
Old 07-02-2007
Quote:
Originally Posted by Epiphone
just realised this is not working at all, just gives me back every line and not filtering by the date and time etc

runing:

perl -ne ' print if ( $_ >="2007/05/20 15:13" && $_ <= "2007/08/19 14:31" ) ' filename


2007/05/25 15:51:36.957753
2007/05/25 15:51:36.958117
2007/05/25 15:56:06.670401
2007/05/25 15:56:06.670683
2007/05/25 16:07:12.145404
2007/05/25 16:07:12.145701
2007/04/14 16:07:12.145701

u can see that im getting the last entry too - 2007/04/14 16:07:12.145701
Code:
$ cat file
2007/05/25 15:51:36.957753
2007/05/25 15:51:36.958117
2007/05/25 15:56:06.670401
2007/05/25 15:56:06.670683
2007/05/25 16:07:12.145404
2007/05/25 16:07:12.145701
2007/04/14 16:07:12.145701
$ perl -ne ' print if ( $_ ge "2007/05/20 15:13" && $_ le "2007/08/19 14:31" ) ' f
2007/05/25 15:51:36.957753
2007/05/25 15:51:36.958117
2007/05/25 15:56:06.670401
2007/05/25 15:56:06.670683
2007/05/25 16:07:12.145404
2007/05/25 16:07:12.145701
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