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Top Forums UNIX for Dummies Questions & Answers Inserting Date&Time Stamp In Existing Log File Post 100081 by shephardfamily on Thursday 23rd of February 2006 03:03:37 PM
Old 02-23-2006
Data

Quote:
Originally Posted by Manish Jha
this could be easily achieved by writing a simple shell script which will read the current processing .. write messages to log file and if failure occurs it will send mail to any group list provided.

Regards,
Manish
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? Smilie

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? Smilie
 

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DATE(1) 						      General Commands Manual							   DATE(1)

NAME
date - print or set the date and time SYNOPSIS
date [-qsu] [[MMDDYY]hhmm[ss]] [+format] OPTIONS
-q Read the date from stdin -s Set the time (implicit for -q or a date string) -u Print the date as GMT -t Use this number of seconds instead of current time EXAMPLES
date # Print the date and time date 0221921610 # Set date to Feb 21, 1992 at 4:10 p.m. DESCRIPTION
With the -q flag or a numeric argument, date sets the GMT time and date. MMDDYY refers to the month, day, and year; hhmmss refers to the hour, minute and second. Each of the six fields must be exactly two digits, no more and no less. date always display the date and time, with the default format for the system. The -u flag request GMT time instead of local time. A format may be specified with a + followed by a printf-like string with the following options: %% % character %A Name of the day %B Name of the month %D mm/dd/yy %H Decimal hour on 2 digits %I Decimal hour modulo 12 on 2 digits %M Decimal minute on 2 digits %S Decimal seconds on 2 digits %T HH:MM:SS %U Decimal week number, Sunday being first day of week %W Decimal week number, Monday being first day of week %X Same as %T %Y Decimal year on 4 digits %Z Time Zone (if any) %a Abbreviated name of the day %b Abbreviated name of the month %c Appropriate date & time (default format) %d Decimal day of the month on 2 digits %e Same as %d, but a space replaces leading 0 %h Same as %b %j Decimal dey of the year on 3 digits %m Decimal month on 2 digits %n Newline character %p AM or PM %r 12-hour clock time with AM/PM %s Number of seconds since the epoch %t Tab character %w Decimal day of the week (0=Sunday) %x Same as %D %y Decimal year on 2 digits SEE ALSO
time(2), ctime(3), readclock(8). DATE(1)
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