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UNIX for Dummies Questions & Answers
Inserting Date&Time Stamp In Existing Log File
Post 100122 by amitkhiare on Friday 24th of February 2006 03:01:44 AM
02-24-2006
Quote:
Originally Posted by shephardfamily
I understand that I can write a shell script but what is the syntax to put the time and date in a file and be able to grep all lines below that particular time that I inserted when I am comparing what was there lets say 24 hours ago then pull only those lines. Also, I would like to know how to grep for those lines pulling only the errors generated and place them into a email? 
This is the structure that I have:
#!/bin/sh
# Every 6 hours
# Get all lines from the arlog based on the last PREVIOUS_TIME date and time.
PREVIOUS_TIME='DATE AND TIME: `date`' in the arlog
NEW_TIME='TODAYS DATE AND TIME: `date` ' in the arlog
#LIST OF ERRORS THAT WILL BE SEARCHED.
ERRMSG='CHECKING FOR ERRORS IN ARLOG: ERROR 9999'
ERRMSG1='0403-031 The fork function failed. There is not enough memory available.'
ERRMSG2='Login failed.'
ERRMSG3='ftp: connect: Connection timed out.'
ERRMSG4='ftp: connect: Connection refused.'
ERRMSG5='endeavour: unknown host or invalid literal address.'
ERRMSG6='ftp: Unknown host diamprodf0'
ERRMSG7='ORA-06508: PL/SQL: could not find program unit being called.'
ERRMSG8='ORA-01034: ORACLE not available.'
ERRMSG9='ORA-27101: shared memory realm does not exist.'
ERRMSG10='ORA-01005: null password given; logon denied.'
ERRMSG11='SP2-0157: unable to CONNECT to ORACLE after 3 attempts, exiting SQL.'
ERRMSG12='ORA-04068: existing state of packages has been discarded.'
ERRMSG13='ORA-04063: package body "FININTER.HAP_CUSTOMERS_INTERFACE" has errors.'
ERRMSG14='ORA-06512: IN LINE ERROR.'
ERRMSG15='ORA-01005: null password given.'
grep 'DATE STAMP: $PREVIOUS_TIME ' arlog >> TEMP_ARLOG.log
if $NEW_TIME in the arlog NOT EQUAL $PREVIOUS_TIME in arlog
then
egrep "(${ERRMSG} | ${ERRMSG1} | ${ERRMSG2} |........) from arlog.
if NO ERRORS EXIST
then
put $NEW_TIME 'No Errors To Date and time" >> arlog
else
mailx -s '$ERRORS `date` to [FMT] with message describing error or errors.
grep 'LAST TIME TRANSMISSION:' $PREVIOUS_TIME >> arlog
fi
fi
Now how do I put the code into a structure that will generate what I want to do above?
This is the structure that I have:
#!/bin/sh
# Every 6 hours
# Get all lines from the arlog based on the last PREVIOUS_TIME date and time.
PREVIOUS_TIME='DATE AND TIME: `date`' in the arlog
NEW_TIME='TODAYS DATE AND TIME: `date` ' in the arlog
#LIST OF ERRORS THAT WILL BE SEARCHED.
ERRMSG='CHECKING FOR ERRORS IN ARLOG: ERROR 9999'
ERRMSG1='0403-031 The fork function failed. There is not enough memory available.'
ERRMSG2='Login failed.'
ERRMSG3='ftp: connect: Connection timed out.'
ERRMSG4='ftp: connect: Connection refused.'
ERRMSG5='endeavour: unknown host or invalid literal address.'
ERRMSG6='ftp: Unknown host diamprodf0'
ERRMSG7='ORA-06508: PL/SQL: could not find program unit being called.'
ERRMSG8='ORA-01034: ORACLE not available.'
ERRMSG9='ORA-27101: shared memory realm does not exist.'
ERRMSG10='ORA-01005: null password given; logon denied.'
ERRMSG11='SP2-0157: unable to CONNECT to ORACLE after 3 attempts, exiting SQL.'
ERRMSG12='ORA-04068: existing state of packages has been discarded.'
ERRMSG13='ORA-04063: package body "FININTER.HAP_CUSTOMERS_INTERFACE" has errors.'
ERRMSG14='ORA-06512: IN LINE ERROR.'
ERRMSG15='ORA-01005: null password given.'
grep 'DATE STAMP: $PREVIOUS_TIME ' arlog >> TEMP_ARLOG.log
if $NEW_TIME in the arlog NOT EQUAL $PREVIOUS_TIME in arlog
then
egrep "(${ERRMSG} | ${ERRMSG1} | ${ERRMSG2} |........) from arlog.
if NO ERRORS EXIST
then
put $NEW_TIME 'No Errors To Date and time" >> arlog
else
mailx -s '$ERRORS `date` to [FMT] with message describing error or errors.
grep 'LAST TIME TRANSMISSION:' $PREVIOUS_TIME >> arlog
fi
fi
Now how do I put the code into a structure that will generate what I want to do above?
Use this command for current date and time stamp
`date '+%m%d%y%H%M'`
I have ? for you what do you mean by PREVIOUS_TIME. As i understand it would be yesterday's date and time right. If not just let me know what value will be stored in PREVIOUS_TIME.
Hope i have answered some part of your query.
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LEARN ABOUT DEBIAN
email::date
Email::Date(3pm) User Contributed Perl Documentation Email::Date(3pm) NAME
Email::Date - Find and Format Date Headers SYNOPSIS
use Email::Date; my $email = join '', <>; my $date = find_date($email); print $date->ymd; my $header = format_date($date->epoch); Email::Simple->create( header => [ Date => $header, ], body => '...', ); DESCRIPTION
RFC 2822 defines the "Date:" header. It declares the header a required part of an email message. The syntax for date headers is clearly laid out. Stil, even a perfectly planned world has storms. The truth is, many programs get it wrong. Very wrong. Or, they don't include a "Date:" header at all. This often forces you to look elsewhere for the date, and hoping to find something. For this reason, the tedious process of looking for a valid date has been encapsulated in this software. Further, the process of creating RFC compliant date strings is also found in this software. FUNCTIONS find_date my $time_piece = find_date $email; "find_date" accepts an email message in any format Email::Abstract can understand. It looks through the email message and finds a date, converting it to a Time::Piece object. If it can't find a date, it returns false. "find_date" is exported by default. format_date my $date = format_date; # now my $date = format_date( time - 60*60 ); # one hour ago "format_date" accepts an epoch value, such as the one returned by "time". It returns a string representing the date and time of the input, as specified in RFC 2822. If no input value is provided, the current value of "time" is used. "format_date" is exported by default. format_gmdate my $date = format_gmdate; "format_gmdate" is identical to "format_date", but it will return a string indicating the time in Greenwich Mean Time, rather than local time. "format_gmdate" is exported on demand, but not by default. PERL EMAIL PROJECT
This module is maintained by the Perl Email Project <http://emailproject.perl.org/wiki/Email::Date> SEE ALSO
Email::Abstract, Time::Piece, Date::Parse, perl. AUTHOR
Casey West, <casey@geeknest.com>. Ricardo SIGNES, <rjbs@cpan.org>. COPYRIGHT
Copyright (c) 2004 Casey West. All rights reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.1 2007-12-01 Email::Date(3pm)