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Full Discussion: Working with log files
Top Forums Shell Programming and Scripting Working with log files Post 302556923 by melisa.zand on Tuesday 20th of September 2011 03:34:32 PM
Old 09-20-2011
Working with log files
I wrote a bash script to extract a few Items like the IP addresses that makes the most number of connection attempts, now I want to limit all of this within a time range , lets say the last X days/hours.

Example of what I wrote :

-G: Which IP address makes the most number of connection attempts?

Code:
if [ "$3" = "-G" ]; then 
 I won't write the whole code ! 
echo "IP address makes the most number of connection attempts: \n"
awk '{print $1}' $4 | sort | uniq -c | sort -r -n | awk '{print $2 "\t" $1}' >> Connections 
cat Connections | head -$2 
 rm Connections

now I want to add this Items

-O: Limit it to last number of hours

-P: Limit it to the last number of days

and I run it like this : sh -O -P -G *.log

example log file:

213.46.27.204 - - [15/Sep/2011:22:55:21 +0100]
213.46.27.204 - - [16/Sep/2011:22:55:21 +0100]
213.46.27.204 - - [17/Sep/2011:22:55:21 +0100]
213.46.27.204 - - [18/Sep/2011:22:55:21 +0100]
213.46.27.204 - - [19/Sep/2011:22:55:21 +0100]

please answer just with bash script not python or perl

---------- Post updated at 02:34 PM ---------- Previous update was at 03:44 AM ----------

any ideas ?
 

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LEARN ABOUT OPENSOLARIS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/ksh93, /bin/pfcsh, /bin/pfksh, /bin/pfsh,
       /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/ksh93, /usr/bin/pfcsh,
       /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh, and /usr/sfw/bin/zsh. /etc/shells overrides the default list.

       Invalid shells in /etc/shells could cause unexpected behavior, such as being unable to log in by way of ftp(1).

FILES

       /etc/shells    list of shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.11							    20 Nov 2007 							 shells(4)
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