Email Alert in UNIX Post: 302993369

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Top Forums UNIX for Beginners Questions & Answers Email Alert in UNIX Post 302993369 by drysdalk on Thursday 9th of March 2017 08:34:41 AM

03-09-2017

Registered User

Hi,

I've had to hard-code the variables in this example of course, but something like this should work.

Code:

$ cat script.sh 
#!/bin/bash
duplicate_user_list="rod jane freddy"
duplicate_user_count=3

if [ "$duplicate_user_count" -gt "0" ]
then
        echo "Duplicate users found, mailing you the details"
        echo "$duplicate_user_list" | mail -s "Details of duplicate users" unixforum@localhost
        exit 1
else
        echo "No duplicate users found"
        exit 0
fi

$ ./script.sh 
Duplicate users found, mailing you the details
$ mail
"/var/mail/unixforum": 1 message 1 new
>N   1 unixforum@localhost Thu Mar  9 13:30  15/667   Details of duplicate users
? 1
<Some headers redacted for privacy reasons>
Subject: Details of duplicate users
To: <unixforum@localhost>
X-Mailer: mail (GNU Mailutils 2.99.99)

rod jane freddy
? d 1
? q
Held 0 messages in /var/mail/unixforum
$

Hope this helps.

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LEARN ABOUT MOJAVE

conflict

CONFLICT(8)							     [nmh-1.5]							       CONFLICT(8)

NAME

       conflict - search for alias/password conflicts

SYNOPSIS

       /usr/lib/mh/conflict [-search directory] [-mail name] [-version] [-help] [aliasfiles ...]

DESCRIPTION

       Conflict is a program that checks to see if the interface between nmh and the transport system is in good shape

       Conflict also checks for maildrops in /var/mail which do not belong to a valid user.  It assumes that no user name will start with `.', and
       thus ignores files in /var/mail which begin with `.'.  It also checks for entries in the group(5) file which do not belong to a valid user,
       and for users who do not have a valid group number.  In addition duplicate users and groups are noted.

       If  the	-mail  name  switch is used, then the results will be sent to the specified name.  Otherwise, the results are sent to the standard
       output.

       The -search directory switch can be used to search directories other than /var/mail and to report  anomalies  in  those	directories.   The
       -search directory switch can appear more than one time in an invocation to conflict.

       Conflict should be run under cron(8), or whenever system accounting takes place.

FILES

       /etc/nmh/mts.conf	  nmh mts configuration file
       /etc/passwd		  List of users
       /etc/group		  List of groups
       /usr/bin/mh/mhmail	  Program to send mail
       /var/mail/		  Directory of mail drop

PROFILE COMPONENTS

       None

SEE ALSO

       mh-alias(5)

DEFAULTS

       `aliasfiles' defaults to /etc/nmh/MailAliases

CONTEXT

       None

MH.6.8								   11 June 2012 						       CONFLICT(8)