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Full Discussion: How to write a UNIX script to send a mail to the respective individual users about their groups?
Top Forums UNIX for Beginners Questions & Answers How to write a UNIX script to send a mail to the respective individual users about their groups? Post 302997819 by Don Cragun on Saturday 20th of May 2017 02:57:53 AM
Old 05-20-2017
For something that would be more portable to a system where the groups utility only accepts one operand, the user database on your system is kept in the file /etc/passwd (which is not always true), and assuming that every user has a mail account with their login name as their mail address on that machine (which is not always true), you could also try:
Code:
cut -d: -f1 /etc/passwd | while read user
do	echo "Mailing to $user"
	groups "$user" | mail -s "$user's groups" "$user"
done

 

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LEARN ABOUT OPENSOLARIS

groups

groups(1B)					     SunOS/BSD Compatibility Package Commands						groups(1B)

NAME

       groups - display a user's group memberships

SYNOPSIS

       /usr/ucb/groups [user]...

DESCRIPTION

       With  no  arguments,   groups  displays	the  groups  to which you belong; else it displays the groups to which the user belongs. Each user
       belongs to a group specified in the password file /etc/passwd and possibly to other groups as specified in the file /etc/group. If  you	do
       not own a file but belong to the group which it is owned by then you are granted group access to the file.

FILES

       /etc/passwd

       /etc/group

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getgroups(2), attributes(5)

NOTES

       This command is obsolete.

SunOS 5.11							    14 Sep 1992 							groups(1B)
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