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

Advance microprocessor, Write a program to mask bits D3D2D1D0 and to set bi...

Write a program to mask bits D3D2D1D0 and to set bits D5D4 and to invert bits D7D6 of the AX register.

DOM - Document Object Model, What is DOM? The Document Object Model is a pl...

What is DOM? The Document Object Model is a platform- and language-neutral interface that will allow programs and scripts to dynamically access and update the content, structure an

Add external style sheet in html code, On a single XHTML page, include the ...

On a single XHTML page, include the following two div container elements in the body. Using an external stylesheet, add style to the div elements such that one div has some overlap

Explain cascading style sheets, Question: (a) In JavaScript, the Windo...

Question: (a) In JavaScript, the Window Object is commonly used to request information from a user or to output some results. Give three ways how to create instances of the

Double roots, This case will lead to similar problem that we've had all oth...

This case will lead to similar problem that we've had all other time we've run in double roots or double eigenvalues. We only find a single solution and will require a second solut

Devlop personalized location based news service, The system you will develo...

The system you will develop should provide the following functionality to its users.     1.  Your system should allow the users to aggregate three different RSS feeds (they should

Develop a system for record student information, Your task for this project...

Your task for this project is to develop a system that would provide the following features: 1. Register new student 2. Drop student from university 3. Add a course and gr

Pseudocode for a program that reads a temperature, Write a pseudocode for a...

Write a pseudocode for a program that reads a temperature as a whole number from a user and outputs a “probable” season (winter, sprint, summer, or fall) depending on the temperatu

Data analytics, can i get assignments on Data analytics?

can i get assignments on Data analytics?

Write an xslt-flatten the tree, Flatten the tree Consider the followin...

Flatten the tree Consider the following XML input, which groups people into two categories-salaried and hourly: Warren Rosenbaum 37 5.75

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