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

What is url describe their protocol, What is URL describe theri protocol? ...

What is URL describe theri protocol? URL basicallt stands for uniform resource locator. A URL is a pointer to a particular resource on the Internet at a particular location.

Shell script to combine 2 files horizontally and vertically, Normal 0 ...

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

Information technology, what is human resource

what is human resource

Create a linux shell, Create a linux shell (in other words, write a C/C++ p...

Create a linux shell (in other words, write a C/C++ program) that will recursively prompt for input from the user. The shell should prompt as yourRollNumber-currentDirector

Class registration, using UML 1- Identify primary classes 2- Scenario d...

using UML 1- Identify primary classes 2- Scenario description 3- Class diagrams 4- Sequence diagrams

Shell script to count characters, Normal 0 false false fals...

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

Find the general solution, Example : Find the general solution to the subse...

Example : Find the general solution to the subsequent differential equation. x 2 y′′ - 7 xy′ + 16 y= 0 Solution First the roots of (3) r (r -1) - 7r + 16= 0 r 2

Java event delegation model, Expertsmind brings you unique solution in jav...

Expertsmind brings you unique solution in java assignments Event Delegation Model The Delegation Model with java assignment help Version 1.1 of the Java TM foundation

Create a structure to represent deck of cards, We want to create a structur...

We want to create a structure that will represent a deck of cards (not necessarily full). Each card has a character (between '2' to '9' and 'T', 'J', 'Q', 'K', 'A') and a suit (dia

Program on car purchasing simulation, Introduction A new online syst...

Introduction A new online system for purchasing carsis being designed and you have been contracted to write a C# console application program that models the proposed functio

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages