Shell script to check whether user has logged in or not, Programming Languages

Assignment Help:

W.A.S.S to check whether user has logged in or not.

Program

# W.A.S.S to check whether user has logged in or not.

echo "Enter the user name:"

read usr

flag=0

for w in ` who | tr -s " " | cut -d " " -f1`

if test $usr = $w

then

echo "User is logged in.."

flag=1

done

if test $flag = 0

then

echo "User is Not logged in.."

Output:

Enter the user name:

root

User is logged in..

Enter the user name:

narenda

User is Not logged in

Related Discussions:- Shell script to check whether user has logged in or not

We are looking for pool services software, We are looking for Pool Services...

We are looking for Pool Services Software Our company Pool Hands LLC is looking to build software for our internal use. We would like the software built therefore that it could

Shell script to count of five character words, Normal 0 false ...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Write an application to assign seats for each flight, ( Airline Reservation...

( Airline Reservations System ) A small airline has just purchased a computer for its new automated reservations system. You have been asked to develop the new system. You are to w

Depth estimation from a single view camera, i doing a project about depth e...

i doing a project about depth estimation, i have done some research, and i used the block matching algorithm to get the motion vectors from the image sequences, i now have the prob

Built a liner program to manage a staff, A manager at the local Walmart nee...

A manager at the local Walmart needs to determine how many workers to hire to cover a 24-hour period. Each worker must work 9 consecutive hours but may only start work at the begin

Matlab and Image Processing and Neural Network, I need to do image reconstr...

I need to do image reconstruction using Neural Network using Matlab

Shell script to print pyramid, Normal 0 false false false ...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

We are need of a prestashop expert, We are need of a PrestaShop Expert W...

We are need of a PrestaShop Expert We are getting a fresh design created for our Jewellery website. This job is in 2 parts 1. The website engine is PrestaShop as well as w

Reader-writer problem, The reader-writer problem can be stated as follows: ...

The reader-writer problem can be stated as follows: A shared memory location can be concurrently read by any number of tasks, but when a task must write to the shared memory locati

Ado. net, ADO. NET ADO.NET (ActiveX Information Things for .NET) is a set o...

ADO. NET ADO.NET (ActiveX Information Things for .NET) is a set of programs elements that developers can use to accessibility data and data solutions. It is an element of the platf

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages