Shell script to print right traingle, Programming Languages

Assignment Help:

Right triangle

 

Program

 

#W.A.S.S. to create right  triangle

 

echo -e "enter num:\c"

read n

j=1

k=1

 

while test $k -le $n             #this loop print as many line of * as the value of k

do

 

  j=`expr $n - $k`

 

  while test $j -gt 0         #this loop print forward spaces in each line

  do

     echo -e "   \c"

     j=`expr $j - 1`

  done

 

  j=1

 

  while test $j -le $k      #this loop print as many * per line as the value of j

  do

     echo -e " * \c"

     j=`expr $j + 1`

  done

 

  echo " "

  k=`expr $k + 1`

done

 

Output

 

enter num:7

                   *

                *  *

             *  *  *

          *  *  *  *

       *  *  *  *  *

    *  *  *  *  *  *

 *  *  *  *  *  *  *


Related Discussions:- Shell script to print right traingle

Modularity, Modularity, Abstraction, and Modelling Whether proving a t...

Modularity, Abstraction, and Modelling Whether proving a theorem by creating up from lemmas to simple basic theorems to more accurate results, or designing a circuit by creati

Explain what the return value of fork-shell programming, Simple Shell ...

Simple Shell In this LAB, you will explore and extend a simple Unix shell interpreter. In doing so, you will learn the basics of system calls for creating and managing process

Implement a two-dimensional table in prolog, Implement a two-dimensional ta...

Implement a two-dimensional table in Prolog. Your program will contain: 1.  An insert_entry predicate that takes a table, row, column and an entry and inserts the entry at the g

#matlab programming , 3d Interpolation using matlab from x,y, and z coordin...

3d Interpolation using matlab from x,y, and z coordinates in a csv file and reading them after that interpolating them..

Triple eigenvalue with one eigenvector, Triple Eigenvalue with 1 Eigenvecto...

Triple Eigenvalue with 1 Eigenvector The eigenvalue/vector pair in this case are l and  ?h , . Since the eigenvalue is real we know as the first solution we require is, e l

Program to records name-bounty and difficulty for ten target, You have been...

You have been employed by a bounty hunter to create hit list (yes... you better do this right). Create a Hit List program that can records the name, bounty, and difficulty for ten

What is an authentication subsystem, Question: (i) Each time a securit...

Question: (i) Each time a security mechanism is installed or deleted in a Digital UNIX system, SIA is involved. Draw a Security Integration Architecture diagram. (ii) How

Project 8-1: count alligators and clone sheep, Operation • This application...

Operation • This application uses an Alligator class that implements a Countable interface to display Alligator objects as shown above. • This application uses a Sheep class that i

Write a program that makes a drawing of a skyscraper, 1. Write a program th...

1. Write a program that figures out how long it will take to pay off a credit card by making payments of $10 each month. Take care to avoid infinite loops. (How would a bank preven

Programming, You must programme an analogue clock and digital stopwatch usi...

You must programme an analogue clock and digital stopwatch using the Processing programming language

Write Your Message!

Captcha
Free Assignment Quote

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd