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Full Discussion: Need help finding number of logins!
Top Forums Shell Programming and Scripting Need help finding number of logins! Post 302187859 by TiznaraN on Tuesday 22nd of April 2008 05:53:01 AM
Old 04-22-2008
Need help finding number of logins!
Let's say I am trying to find out how many times someone has logged into the machine. Use last to display all the different logins, several names pop up, some multiple times. All I have been able to figure out is the total number of logins, but I can't determine how to compare if $1(user name) is there more than once, and ontop of that count it if it is.

ex.

toyoung
rasmith
toyoung

output i'm looking for would be

toyoung 2
rasmith 1

here's what i have so far:

last | awk ' END {print "Number of logins:", NR} '
 

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LEARN ABOUT SUNOS

listusers

listusers(1)							   User Commands						      listusers(1)

NAME

       listusers - list user login information

SYNOPSIS

       listusers [-g groups] [-l logins]

DESCRIPTION

       Executed without any options, this command lists all user logins sorted by login. The output shows the login ID and the account field value
       from the system's password database as specified by /etc/nsswitch.conf.

OPTIONS

       The following options are supported:

       -g groups       Lists all user logins belonging to group, sorted by login. Multiple groups can be specified as a comma-separated list.

       -l logins       Lists the user login or logins specified by logins, sorted by login. Multiple logins can be specified as a  comma-separated
		       list.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       nsswitch.conf(4), attributes(5)

NOTES

       A user login is one that has a UID of 100 or greater.

       The -l and -g options can be combined. User logins will only be listed once, even if they belong to more than one of the selected groups.

SunOS 5.10							    18 Mar 1994 						      listusers(1)
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