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Operating Systems AIX AIX and cron logs filtering ?: /etc/cronlog.conf, /var/adm/cron/log Post 302157013 by Keith Johnson on Wednesday 9th of January 2008 07:32:26 PM
Old 01-09-2008
Question AIX and cron logs filtering ?: /etc/cronlog.conf, /var/adm/cron/log

I can use 'crontabs –e' and do all the scheduling I like. However I would like to auto send myself just the cronjobs logs that fail. That is to say the PIDs that fail and the related lines with those PID’s only. (Not the full set of logs) Has anyone done this work? Or does an AIX 5.3 tool exists that will do this for me? If not I was thinking this could be a nice tool to use 'awk,' but I am not the best at 'awk.' I'm just a hack.

My current filter* only sends me logs when I have errors but it gives me the full set of data at that time, and I have to search for Fail. I copy my file to a tmp and clean up when done. Then I have my rotation set just rigt so I do not spam myself with dup data. PS I have read man for the cron/crontab commands + others and have not seen anything like this yet.
tia Keith

cp -p $cronfile $tmp
if [[ $(cat $tmp | grep Fail | wc -l) > "1" ]] then
subject=$(print "Daily cron log $(date)" | tr ' ' '-')
uuencode $tmp $tmp | mail -s $subject $USER < $tmp
#end filter
sleep 5;[[ -e $tmp ]] && rm $tmp

Last edited by Keith Johnson; 01-10-2008 at 12:37 PM..
This User Gave Thanks to Keith Johnson For This Post:
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UNBUFFER(1)						      General Commands Manual						       UNBUFFER(1)

unbuffer - unbuffer output SYNOPSIS
unbuffer program [ args ] INTRODUCTION
unbuffer disables the output buffering that occurs when program output is redirected from non-interactive programs. For example, suppose you are watching the output from a fifo by running it through od and then more. od -c /tmp/fifo | more You will not see anything until a full page of output has been produced. You can disable this automatic buffering as follows: unbuffer od -c /tmp/fifo | more Normally, unbuffer does not read from stdin. This simplifies use of unbuffer in some situations. To use unbuffer in a pipeline, use the -p flag. Example: process1 | unbuffer -p process2 | process3 CAVEATS
unbuffer -p may appear to work incorrectly if a process feeding input to unbuffer exits. Consider: process1 | unbuffer -p process2 | process3 If process1 exits, process2 may not yet have finished. It is impossible for unbuffer to know long to wait for process2 and process2 may not ever finish, for example, if it is a filter. For expediency, unbuffer simply exits when it encounters an EOF from either its input or process2. In order to have a version of unbuffer that worked in all situations, an oracle would be necessary. If you want an application-specific solution, workarounds or hand-coded Expect may be more suitable. For example, the following example shows how to allow grep to finish pro- cessing when the cat before it finishes first. Using cat to feed grep would never require unbuffer in real life. It is merely a place- holder for some imaginary process that may or may not finish. Similarly, the final cat at the end of the pipeline is also a placeholder for another process. $ cat /tmp/abcdef.log | grep abc | cat abcdef xxxabc defxxx $ cat /tmp/abcdef.log | unbuffer grep abc | cat $ (cat /tmp/abcdef.log ; sleep 1) | unbuffer grep abc | cat abcdef xxxabc defxxx $ BUGS
The man page is longer than the program. SEE ALSO
"Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Programs" by Don Libes, O'Reilly and Associates, January 1995. AUTHOR
Don Libes, National Institute of Standards and Technology 1 June 1994 UNBUFFER(1)

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