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

Define a prolog predicate flatten, Define a Prolog predicate flatten(List, ...

Define a Prolog predicate flatten(List, FlattenedList) that asserts List is any nested list of atoms and FlattenedList is the same list with the nesting removed. The atom [] should

Microsoft intermediate language in .net, Microsoft Intermediate Language in...

Microsoft Intermediate Language in .NET When you create value in any terminology and gather, it will be changed to an 'Intermediate Language' (Microsoft Advanced Language - MSIL

Windows card space, Windows Card Space Windows Card Space (codenamed Info C...

Windows Card Space Windows Card Space (codenamed Info Card), is Windows now-canceled customer application for the Identification Met system. Card Place is an instance of a class of

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

What do you understand by the term postback, Question: (a) What do you...

Question: (a) What do you understand by the term Postback? (b) Describe five benefits of creating virtual directories while developing an ASP.NET application. (c) Exp

Example problem of modularity, Example problem Imagine that  you  requ...

Example problem Imagine that  you  require  to create  a robot  that  will  roll up  close to a light  lamp  and  stop  a fixed distance from it.  The first question is, how w

Python , Write a script that will list and count all of the images in a giv...

Write a script that will list and count all of the images in a given HTML web page. Each image starts with

Store an url in a dartabase, how to store an url in a dartabase(sql server ...

how to store an url in a dartabase(sql server 2005)? (or) create table b(url what is the datatype for url?

C++, A charitable organization wants to design a special ATM machine to be ...

A charitable organization wants to design a special ATM machine to be used by needy people. The association supplies the needy person with a pin number to be able to use the ATM

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