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use of "if" statement [message #439014] Wed, 13 January 2010 10:58 Go to next message
divroro12
Messages: 105
Registered: March 2008
Location: Laurel, MD USA
Senior Member
Hi,

I'm writing a script that's supposed to send an email to me only if there are specific entries within a particular file. I already got entries into this file both from grepping another file & through echo, so now i want just specific information to be sent to me from the file.

The code should be something like this :
if the letters X,Y,Z are found within myfile.lst;
then mailx -s $MAIL_LIST < myfile.lst.

Please kindly help with this.

Regards,

- divroro12 -
Re: use of "if" statement [message #439019 is a reply to message #439014] Wed, 13 January 2010 11:06 Go to previous messageGo to next message
BlackSwan
Messages: 22522
Registered: January 2009
Senior Member
>if the letters X,Y,Z are found within myfile.lst;
This problem has NOTHING to do with Oracle.
Besides "requirements" are subject to mis-interpretation.
Is the requirement X or Y or Z?
or is requirement X and Y and Z?
Re: use of "if" statement [message #439020 is a reply to message #439014] Wed, 13 January 2010 11:12 Go to previous messageGo to next message
divroro12
Messages: 105
Registered: March 2008
Location: Laurel, MD USA
Senior Member
I'm writing a script for monitoring Oracle databases, so i presume it has SOMETHING to do with Oracle & i thought i posted this under the Linux/UNIX/shell scripting section of the forum.
Must my posting be only on Oracle specific issues?

- divroro12 -
Re: use of "if" statement [message #439024 is a reply to message #439020] Wed, 13 January 2010 12:00 Go to previous messageGo to next message
Michel Cadot
Messages: 58612
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Quote:

Unix
Oracle Installation, [Oracle] Configuration, [Oracle] Troubleshooting and [Oracle] Scripting on Unix platforms (Solaris, HP-UX, AIX, etc.)


http://www.orafaq.com/
Welcome to The Oracle FAQ

The Oracle FAQ is NOT an official Oracle Support site...


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How to get a quick answer to your question?

Before you decide to open a new topic, you should ask yourself:
...
Is my question specific to the Oracle database? Now, that may seem obvious since this site is called Oracle FAQs, but we get quite a few questions about Access and MS SQL Server here - and SQL between databases is not always compatible - so please ask any non-Oracle questions elsewhere. It will be to your advantage.

[Updated on: Wed, 13 January 2010 12:05]

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Re: use of "if" statement [message #439045 is a reply to message #439014] Wed, 13 January 2010 13:22 Go to previous messageGo to next message
divroro12
Messages: 105
Registered: March 2008
Location: Laurel, MD USA
Senior Member
Thanks for your help...

- divroro12 -
Re: use of "if" statement [message #439055 is a reply to message #439045] Wed, 13 January 2010 16:25 Go to previous messageGo to next message
andrew again
Messages: 2574
Registered: March 2000
Senior Member
True, this type of stript can be adapted to many technologies, but it's a very common requirement for Oracle scripting. This (untested) snippet should get you started...
#!/usr/bin/ksh
U=scott
P=tiger
DB=devdb
TO=abc@xyz.com,def@xyz.com
LOG=/tmp/my_log.log
ORAERR="ORA-|Not connected"
ERR=0

sqlplus -s /nolog <<EOF >$LOG
  connect $U/$P@$DB
  --whenever sqlerror exit 1

  -- some SQL...
  select ... from ...;

  exit;
EOF

if [ $? -ne 0 ]; then ERR=1; echo "ERROR: Oracle SQLplus error"; fi

# Check for ORA- error codes 
cnt=`egrep -c "$ORAERR" $LOG`
if [ $cnt -gt 0 ]; then ERR=1; echo "ERROR: Oracle error code found cnt=$cnt"; fi

# Alert for any failure
if [ $ERR -ne 0 ]; then
  SUBJ="ERROR: Script failure `hostname` `basename $0`"
  mailx -s "$SUBJ" $TO  <$LOG
  echo "Sent failure email..."
  exit 1 
fi
exit 0


[Updated on: Wed, 13 January 2010 16:29]

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Re: use of "if" statement [message #441567 is a reply to message #439014] Mon, 01 February 2010 23:34 Go to previous message
oratab
Messages: 5
Registered: April 2008
Location: Atlanta and/or Kansas Cit...
Junior Member
The question was not very specific, when you say you want to
check for letters X,Y,Z in a file... so I will just show
a check for the 3-letter string "XYZ" in your file.

#-- This CAN be a simple as:

if grep "XYZ" myfile.lst >/dev/null
   then mailx -s $MAIL_LIST < myfile.lst
fi


#-- unix shell-scripts use "fi" to mean "end if"

#-- If you meant to check to see if X or Y or Z is
#-- found anywhere in your file, then try:

if egrep "X|Y|Z" myfile.lst >/dev/null
   then mailx -s $MAIL_LIST < myfile.lst
fi


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