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

Write a program to build bcd countdown timer, Many applications require ent...

Many applications require entering a number from a button and then the device counts that number down.  If it is a 2 digit number it can be stored in a single register.  If it is l

Matlab fem, I need a program that writes the first column of the matrix. T...

I need a program that writes the first column of the matrix. The numbers in this column follow the pattern below: 1. Numbers start at 1 and count up to ''nels'' in increments of

Vbs, Add macros to MS word 2010 according to A PARTICULAR FORMAT

Add macros to MS word 2010 according to A PARTICULAR FORMAT

#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..

Learning when and how to use a while loop, 1.  A function that produces the...

1.  A function that produces the Collatz sequence and counts the number of terms. 2.  A main function that calculates interesting values about the Collatz sequence. 1.The Col

Shell script to count of five character words, Normal 0 false ...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Pl sql project, create a small database for a company, require at least 4 t...

create a small database for a company, require at least 4 tables. also, have 4 business report, oracle built-in function, 5 string, 5 number or math functions, 5 date and time func

GUI(VB.NET), Can you please make my assignment in 3 days?I will pay you goo...

Can you please make my assignment in 3 days?I will pay you good

Python (using os.walk), Using os.walk, write a script that will print the f...

Using os.walk, write a script that will print the filenames of zero length files. It should also print the count of zero length files.

Str_concat procedure, Write a procedure named Str_concat that concatenates ...

Write a procedure named Str_concat that concatenates a source string to the end of a target string. Sufficient space must exist in the target string to accommodate the new characte

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