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

Differences between user and kernel level threads, Question : (a) Many ...

Question : (a) Many systems provide support for both user threads and kernel threads, resulting in different multithreading models. What are the two differences between user

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.

assembly lang. H.W, 1- Allocate array with 32bit 100 element 2- Prompt the...

1- Allocate array with 32bit 100 element 2- Prompt the user to enter the maximum or the upper bound of the random value 3- Read the value and use it generate random numbers to init

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

Network security, Term project (you should code a function), demonstrate it...

Term project (you should code a function), demonstrate it to the class and a very breief report (one or two pages) describing what you did. You determine your project (could be imp

I need to do coding for the last three question, i attached the assignment ...

i attached the assignment document only i need your help with following three parts: accessible areas, accessible cul-de-sacs that are all connected, entry-exit path with no in

Characteristics of object-oriented programming, Characteristics of object-o...

Characteristics of object-oriented programming: •   Emphasis is on data rather than procedure. •   Programs are divided into what are known as objects. •

Explain what is html language with an example, Explain what is HTML languag...

Explain what is HTML language with an example? HTML is the HyperText Markup Language. HTML files are text files featuring semantically tagged elements. HTML filenames are suff

Lexical analyzer - xml table output, Lexical Analyzer: Symbol Table - Ho...

Lexical Analyzer: Symbol Table - Holds the symbols accepted by the lexical analyzer or parser.  Each symbol may be a terminal or a non-terminal.  Terminal symbols are listed

Describe the term inter-process communication, UNIX Operating System 1....

UNIX Operating System 1. Explain all the layers present in a UNIX Architecture? List and explain each of them. 2. Describe the term Inter-Process Communication. What are var

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