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Top Forums Shell Programming and Scripting script on user who logged in???? Post 302190514 by kim187 on Tuesday 29th of April 2008 11:03:39 PM
Old 04-30-2008
script on user who logged in????

writing a script that will check every 5 seconds whether a particular user has
logged into the system

Code:
# Determine if someone is logged on
# Version 4.0
if [ “$#” ne
1 ]
then
echo “ Incorrect number of arguments”
echo “Usage: $ ison4 <user>”
else
user=“$1”
if who | grep “$user” > /dev/null
then
echo “$user is logged on”
else
echo “$user is not logged on”
fi
fi

is this ok

Last edited by Yogesh Sawant; 04-30-2008 at 06:27 AM.. Reason: added code tags
 

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RUSERS(1)						    BSD General Commands Manual 						 RUSERS(1)

NAME
rusers -- who is logged in to machines on local network SYNOPSIS
rusers [-al] [host ...] DESCRIPTION
The rusers command produces output similar to who, but for the list of hosts or all machines on the local network. For each host responding to the rusers query, the hostname with the names of the users currently logged on is printed on each line. The rusers command will wait for one minute to catch late responders. The following options are available: -a Print all machines responding even if no one is currently logged in. -l Print a long format listing. This includes the user name, host name, tty that the user is logged in to, the date and time the user logged in, the amount of time since the user typed on the keyboard, and the remote host they logged in from (if applicable). DIAGNOSTICS
rusers: RPC: Program not registered The rpc.rusersd(8) daemon has not been started on the remote host. rusers: RPC: Timed out A communication error occurred. Either the network is excessively congested, or the rpc.rusersd(8) daemon has terminated on the remote host. rusers: RPC: Port mapper failure - RPC: Timed out The remote host is not running the portmapper (see portmap(8) ), and cannot accomodate any RPC-based services. The host may be down. SEE ALSO
rwho(1) users(1), who(1), portmap(8), rpc.rusersd(8) HISTORY
The rusers command appeared in SunOS. BUGS
The sorting options are not implemented. Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)
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