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

Assembly language, need help

need help

System calls, #questiWrite down different system calls for performing diffe...

#questiWrite down different system calls for performing different kinds of tasks.on..

Programming (problem solving), develop a pseudocode algorithm to determine ...

develop a pseudocode algorithm to determine the total amount of extra cost changed to the organizers for expenses accurednduring the workshop. the code is to be written for an unde

Data analytics, can i get assignments on Data analytics?

can i get assignments on Data analytics?

Introduction to c#, All programs have to be done in console application. Pr...

All programs have to be done in console application. Program 1, 2 and 3 are due on 2/11/12 Program 4, 5, and 6 are due on 2/18/12 Program 7, 8, and 9 are due on 2/25/12 Program 10

Java source code classes and objects, Design and implement a stringed music...

Design and implement a stringed musical instrument class using the following guidelines: a. Data fields for your instrument should include number of strings, an array of stri

Php parse out custom lines from a file, i want another php script like that...

i want another php script like that one in assignment: EM201484 SA727PHP i want to parse out an urls form log file i will post attachments for a demo

Inheritance, The Lost Bay Software Coop purchased EnviroMeasurements, a sma...

The Lost Bay Software Coop purchased EnviroMeasurements, a small startup with a product, GreenStation, that measures pollen count and air quality. The company has ventured

Access modifiers, Access Modifiers Convenience Modifiers or we can say (Acc...

Access Modifiers Convenience Modifiers or we can say (Access Specifies) identifies as the opportunity of accessibility of an Item and its associates. All C# kinds and kind associat

Pros and cons of Assembly language, What are the main pros and cons of asse...

What are the main pros and cons of assembly programming language?

Write Your Message!

Name

Email id

Message

Verfication Code

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages