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Old 03-09-2017, 05:50 AM   #1
slayer_1994
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Registered: Feb 2017
Posts: 38

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Email Alert in UNIX


Hi There

I have to wrote a script where I am able to echo a result of an SQL script, however I want to be able to send an email to myself when it is more than 0 (so whenever a value is returned) is this possible?

I tried one way from looking on the web but this didn't work, I have added my script below:

duplicate_user_list=`psql cemdb admin -t -f /opt/ca/SAP_Tooling/sql/self_monitoring/duplicate_users.sql|sed '/^$/d' | awk '{print $1}'`
duplicate_user_count=`psql cemdb admin -t -f /opt/ca/SAP_Tooling/sql/self_monitoring/duplicate_users.sql|sed '/^$/d' | wc -l`

if [ "$duplicate_user_count" -eq 0 ]
then
duplicate_user_status="No Duplicate IP's Found"
else
duplicate_user_status="Duplicate IP's Found"

fi

if [ "$duplicate_user_count" -gt 1 ]
then
echo "mail sent to SAP Tooling Team" | mail -s "$duplicate_user_list" alex.simpson1@britishgas.co.uk


The count works fine and returns what is expected

Any help will be much appreciated

Many Thanks
 
Old 03-09-2017, 06:11 AM   #2
r3sistance
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Registered: Mar 2004
Location: UK
Distribution: CentOS 6/7
Posts: 1,375

Rep: Reputation: 217Reputation: 217Reputation: 217
probably not the issue but I see one mistake

Code:
if [ "$duplicate_user_count" -gt 1 ]
should probably be

Code:
if [ "$duplicate_user_count" -ge 1 ]
or -gt 0

Also, if you are using BASH, there maybe a much easier way of getting the length
Code:
$ myvar="test";mylen=${#myvar};echo $mylen
4

Last edited by r3sistance; 03-09-2017 at 06:22 AM.
 
  


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alert, code review, shell script, unix


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