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Help with Scriptoutput and mailing the log

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Top Forums Shell Programming and Scripting Help with Scriptoutput and mailing the log
# 8  
Old 09-25-2009
Code:
tail -$(grep -n  $(date +"%d %b") /var/log/scriptlog.log | head -1 |awk -F: '{ print $1 }') /var/log/scriptlog.log

Hmm... I missed some brackets ... earlier ..

One of the way I add things is try one command at a time
1. grep -n $(date +"%d %b") /var/log/scriptlog.log
Do you get the line of date ...
2. grep -n $(date +"%d %b") /var/log/scriptlog.log | head -1 |awk -F: '{ print $1 }'
... Do you get some number .. Line number from log file where your date is ..

3. tail -<number what you got from earlier command >

4. Now combine all together ...

Please try this ..
# 9  
Old 09-25-2009
i tried now following -
in my logfile there are only 3 entry´s:

Code:
Wed Sep 23 21:30:01 CEST 2009
Script Name
Script1 was read - Success
Script2 was read - Success
Script3 was read - Success
Script4 was read - Success
Script5 was read - Success
--------------------------------------------
Thu Sep 24 14:24:02 CEST 2009
Script Name
Script1 was read - Success
Script2 was read - Success
Script3 was read - Success
Script4 was read - Success
Script5 was read - Success
--------------------------------------------
Thu Sep 24 21:30:01 CEST 2009
Script Name
Script1 was read - Success
Script2 was read - Success
Script3 was read - Success
Script4 was read - Success
Script5 was read - Success


1:
output:
Code:
grep -n $(date +" %d %b ") /var/log/scriptlog.log
grep: Sep: No such file or directory

But when i try
Code:
grep -n $(date +"%b") /var/log/sportdaten.log

-> without "%d"

then i get output
Code:
1:Wed Sep 23 21:30:01 CEST 2009
10:Thu Sep 24 14:24:02 CEST 2009
29:Thu Sep 24 21:30:01 CEST 2009

2:
Code:
grep -n $(date +"%b") /var/log/sportdaten.log | head -1 |awk -F: '{ print $1 }'
then my output is "1", but "1" is Wed Sep 23 21:30:01 CEST 2009 and not the last day ... Sep 24 
 
is there something wrong?

Last edited by jackcracker; 09-25-2009 at 09:21 AM.. Reason: forget something
# 10  
Old 09-25-2009
Code:
grep -n "$(date +'%b %d')" /var/log/scriptlog.log

let us fool grep ... Smilie ... try this

Why I added %b = Month because I can expect lot of numbers in the log file ... which might not be date

Paste the output ...
# 11  
Old 09-25-2009
ok, here´s my result:

grep -n $(date +"%b") /var/log/scriptlog.log
gives

1:Wed Sep 23 21:30:01 CEST 2009
10:Thu Sep 24 14:24:02 CEST 2009
19:Thu Sep 24 21:30:01 CEST 2009

and

grep -n $(date +"%b") /var/log/scriptlog.log | head -1 |awk -F: '{ print $1 }'
gives

1
# 12  
Old 09-25-2009
I edited it ... '%b %d' ... please try with that ...
# 13  
Old 09-28-2009
Code:
grep -n $(date +"%b %d") /var/log/scriptlog.log

gives result:
grep: 28: No such file or directory
/var/log/scriptlog.log:1:Wed Sep 23 21:30:01 CEST 2009
/var/log/scriptlog.log:10:Thu Sep 24 14:24:02 CEST 2009
/var/log/scriptlog.log:19:Thu Sep 24 21:30:01 CEST 2009
/var/log/scriptlog.log:28:Fri Sep 25 21:30:01 CEST 2009
/var/log/scriptlog.log:37:Sat Sep 26 21:30:01 CEST 2009
/var/log/scriptlog.log:46:Sun Sep 27 21:30:01 CEST 2009

...

which result did you get?
# 14  
Old 09-28-2009
Why don't you simply use tee to add output to the log file and pipe the stdout to the mail command?

Code:
30 21 * * *  /root/script.sh | /usr/bin/tee -a /var/log/scriptlog.log | /usr/bin/mail -s "daily log" your.email@your-host.com

Every time the cron will run your script, it will append output to the log file (-a option of the tee command) and send a mail with the daily log.

---------- Post updated at 08:53 AM ---------- Previous update was at 08:50 AM ----------

Change path to the tee and mail command according to your OS.
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