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Exclude string

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# 1  
Old 01-29-2015
Exclude string
I would like to write a script to check the log , if any line in the log have the string in include_list.txt but do not have the string in exclude_list.txt , then send alert mail to administrator , as below example , the line 1 have the string "string 4" ( which is in include_list.txt ) but do not have anything in exclude_list.txt , then display line 1 only in alert mail .
Would advise how to write this script ? very thanks .

Code:
#vi exclude_list.txt
string 1
string 2
string 3

Code:
#vi include_list.txt
string 4
string 5
string 6

For example
============
Code:
xxx string 4 xxxstring 2
xxx string 4 xxxxxxxxxx
xxx string 4 xxxxxxxxxx
xxx string 4 xxxxxxxxxx
xxx string 4 xxxxxxxxxx
xxx string 4 xxxxxxxxxx
xxx xxxxxxx xxxstring 3

Last edited by ust3; 01-30-2015 at 04:06 AM.. Reason: Add CODE tags again.
# 2  
Old 01-30-2015
Hello

Please post such examples with in CODE tags, as demanded by the forum rules, and it is easier to differ between space, tabs, or even reckognize their existence.

What have you tried to parse the entries of either one of the *clude-lists?
What have you tried to send a mail to the admin?

Have you searched the forum for at least one of the two questions?

Thank you.

---------- Post updated at 16:22 ---------- Previous update was at 03:32 ----------

Well, thanks for applying the code tags.
Any attemps you made so far on your own?
Last edited by sea; 01-29-2015 at 10:56 PM..
# 3  
Old 01-30-2015
Does this one display the desired line(s)?
Code:
< example fgrep -f include_list.txt | fgrep -f exclude_list.txt

# 4  
Old 01-31-2015
thanks reply ,

it helps , I will finish the script myself , but if I have 10 servers , rather receive 10 alert mails , how to make 10 mails becomes one single mail , all servers can be connected in any method , ssh , telnet , ftp ... etc.

very thanks
# 5  
Old 01-31-2015
You could have a file with the server names and try something like this (not tested):


Code:
while read server
do
  ssh "$server" cat logfile
done < file_with_servernames | grep -vFf exclude_list.txt > /tmp/filtered_log

if messages=$(grep -Ff include_list /tmp/filtered_log); then
  echo "$messages" | mailx ....
fi

Last edited by Scrutinizer; 01-31-2015 at 08:09 AM..
# 6  
Old 01-31-2015
ssh -n ... otherwise it reads from stdin (the input file) just like the read.
This User Gave Thanks to MadeInGermany For This Post:
Scrutinizer
# 7  
Old 01-31-2015
Quote:
Originally Posted by Scrutinizer
You could have a file with the server names and try something like this (not tested):


Code:
while read server
do
  ssh "$server" cat logfile
done < file_with_servernames | grep -vFf exclude_list.txt > /tmp/filtered_log

if messages=$(grep -Ff include_list /tmp/filtered_log); then
  echo "$messages" | mailx ....
fi

thanks reply ,
the above script is check remote server log , it seem check 1 server only , right ?
if I want to access 10 servers to check its log , would advise how to do it ? thanks
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