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Homework and Emergencies Homework & Coursework Questions How to use xargs to repeat as a loop to grab date string? Post 302926473 by scopiop on Monday 24th of November 2014 03:51:47 PM
Old 11-24-2014
How to use xargs to repeat as a loop to grab date string?

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!

1. The problem statement, all variables and given/known data:
My goal to find how many requests in 14 days from weblog server. I know to cat a weblog file to wc -l to find the total of all requests have send to server. From there on, I can use a loop of 14 days to go through each line and do comparison with Date String until the string are different I would increment the date until it reach 14th date. I was thinking to seq 14 and xargs commands to go through 14 days cycle.
I would like to know how to do a string compare between date?

Thanks in advance,

Scopiop

2. Relevant commands, code, scripts, algorithms:
Code:
192.192.1.1 - - [10/June/2013...]
192.192.1.2 - - [10/June/2013...]
192.192.1.3 - - [11/June/2013..]
192.192.1.4 - - [12/June/2013..]
........

output
Code:
The last 14 day's requests are: 100


3. The attempts at a solution (include all code and scripts):

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
City College/Aaron Brick/160B

Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).
 

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LBDB-FETCHADDR(1)						   User Manuals 						 LBDB-FETCHADDR(1)

NAME
lbdb-fetchaddr - grab addresses from mails add append them to lbdb database SYNOPSIS
lbdb-fetchaddr [-d dateformat] [-x headerfieldlist] [-c charset] [-a] lbdb-fetchaddr [-v|-h] DESCRIPTION
lbdb-fetchaddr is a shell script which reads a mail on stdin. It extracts the contents of some header fields (default: `From:', `To:', `Cc:', `Resent-From:', and `Resent-To:') from the mail header (only addresses with a real name) and appends them to $HOME/.lbdb/m_inmail.list. For performance issues lbdb-fetchaddr appends new addresses to this file without removing duplicates. To get rid of duplicates, the program lbdb-munge exists, which is run by m_inmail if needed and removes duplicates. To use this program, put the following lines into your $HOME/.procmailrc: :0hc | lbdb-fetchaddr lbdb-fetchaddr writes the actual date to the third column of the database by using strftime(3). It uses "%Y-%m-%d %H:%M" as the default date format (e.g. "1999-04-29 14:33"). You can change this by using the -d option to select a different date format string as parameter of lbdb-fetchaddr command like :0hc | lbdb-fetchaddr -d "%y-%m-%d" which results in e.g. "99-04-29". OPTIONS
-v Print version number of lbdb-fetchaddr. -h Print short help of lbdb-fetchaddr. -d dateformat Use the given date format using strftime(3) syntax. -x headerfields A colon separated list of header fields, which should be searched for mail addresses. If this option isn't given, we fall back to `from:to:cc:resent-from:resent-to'. -c charset The charset which will be used to write the database. This should be the charset which the application expects (normally the one from your current locale). If this option isn't given, we fall back to `iso-8859-15'. -a Also grab addresses without a real name. Use the local part of the mail address as real name. FILES
$HOME/.lbdb/m_inmail.list /usr/lib/lbdb/fetchaddr /usr/lib/lbdb/m_inmail SEE ALSO
lbdbq(1), lbdb_dotlock(1), procmail(1), procmailrc(5), strftime(3). CREDITS
Most of the really interesting code of this program (namely, the RFC 822 address parser used by lbdb-fetchaddr) was stolen from Michael Elkins' mutt mail user agent. Additional credits go to Brandon Long for putting the query functionality into mutt. AUTHOR
The lbdb package was written by Thomas Roessler <roessler@guug.de> and is now maintained and extended by Roland Rosenfeld <roland@spin- naker.de>. Unix October 2005 LBDB-FETCHADDR(1)
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