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тАО05-24-2010 01:08 AM
тАО05-24-2010 01:08 AM
$(date +%d%m%y) in CRON JOBS
Want to check on the growth of a particular file. Last week - this file ($ORACLE_HOME/network/log/listener.log) led to a FS full situation and subsequently SAP users were unable to log in to the system.
I have added a cronjob to record the file size at a regular interval (for testing - at 1 min interval now ... later will try to tap at say 7 pm day end)
The "crontab -l" output is :-
* * * * * ll /oracle/N11/920_64/network/log/listener.log > /tmp/listmon/listener_$(date +%d%m%y).out
My idea was to create a new file at the end of the specified interval to hold the output. But, the output file was created as ...
listener_
and the content is getting overwritten every time.
My query is - why is the $(date +%d%m%y) part not working ?
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тАО05-24-2010 02:09 AM
тАО05-24-2010 02:09 AM
Re: $(date +%d%m%y) in CRON JOBS
Check this out:
1. Test it:
# DATE="`date +%H%M.%m%d%y`"
# touch file.$DATE
2.Use in crontab:
So the crontab would be like below:,
* * * * * ll /oracle/N11/920_64/network/log/listener.log > /tmp/listmon/listener_`date +%H%M.%m%d%y`.out
Cheers,
Raj.
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тАО05-24-2010 02:14 AM
тАО05-24-2010 02:14 AM
Re: $(date +%d%m%y) in CRON JOBS
You can create a script like this:
#!/bin/sh
DATE=$(/sbin/date +%d%m%y)
ll /oracle/N11/920_64/network/log/listener.log > /tmp/listmon/listener_$DATE.out
Give execution permission to the script and execute the script through cron.
Regards,
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тАО05-24-2010 06:50 AM
тАО05-24-2010 06:50 AM
Re: $(date +%d%m%y) in CRON JOBS
% is a special char to crontab, it is a line break char. You need to quote each one, "\".
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тАО05-24-2010 07:02 AM
тАО05-24-2010 07:02 AM
Re: $(date +%d%m%y) in CRON JOBS
Therefore, add the full path to the beginning of the date command:
ex: $(/usr/bin/date
instead of
$(date
I don't know the full path to the data command, and the example above is just a guess, you'll have to figure out where the date command actually lives.
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тАО05-24-2010 07:32 AM
тАО05-24-2010 07:32 AM
Re: $(date +%d%m%y) in CRON JOBS
No, date(1) is in the default path:
PATH=/usr/bin:/usr/sbin:.