Shell script to delete all files from system have size zero, Programming Languages

Assignment Help:

 W.A.S.S to delete all such files from the system that have size zero.

 

Program

 

# W.A.S.S to delete all such files from the system that have size zero.

 

total=`ls -lSr | tr -s " "|cut -d " " -f5,9|wc -l`

total=`expr $total - 1`

for w in `ls -lSr | tr -s " "|cut -d " " -f5,9|tail -n$total|head -n1`

do

size=`ls -lSr | tr -s " "|cut -d " " -f5|tail -n$total|head -n1`

name=`ls -lSr | tr -s " "|cut -d " " -f9|tail -n$total|head -n1`

echo "$size  $name"

if test $size = "0"

then

 rm "$name"

echo "$name is deleted.."

else

 exit

fi

total=`expr $total - 1`

done

 

Output

 

sh zsize.sh

 

0  zero.sh

zero.sh is deleted..

0  mbox

             mbox is deleted..

 


Related Discussions:- Shell script to delete all files from system have size zero

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

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

Oracal Query, Find out the selling cost average for packages developed in P...

Find out the selling cost average for packages developed in Pascal

Write a program to check whether a car will crash or not, Write a program t...

Write a program to check whether a car will crash. There is an obstacle at a certain distance (say 100 m) and the car is travelling at a certain speed (try it with some different s

Explain the goto statement - computer programming, Explain the Goto Stateme...

Explain the Goto Statement - Computer Programming? The goto statement is employed to alter the normal sequence of program execution by transferring control to some other part o

Find the general solution, Example : Find the general solution to the subse...

Example : Find the general solution to the subsequent differential equation. x 2 y′′ - 7 xy′ + 16 y= 0   Solution First the roots of (3)  r (r -1) - 7r + 16= 0 r 2

Create procedures for accessing the root, (a)  Create procedures for access...

(a)  Create procedures for accessing the root, left subtree and right subtree, and also mutators for changing the root, left subtree and right subtree of an avl argument. (b) Wr

Explain the post and get methods, Question: (a)  An HTML file "decor.ht...

Question: (a)  An HTML file "decor.html" uses an external Cascading Style Sheet file name  "nicedesign.css". Users are viewing the Web page making use of different kinds of  br

Little Man Computer, 1) Write a program that takes an input value (for exam...

1) Write a program that takes an input value (for example, a number 5). The output should be sum of all numbers from 1 to the value input by the user (in this example, the output w

Java string handling, Expertsmind brings you unique solution in java assig...

Expertsmind brings you unique solution in java assignments String Handling Series signifies a sequence of character types. It has set duration of personality sequence. Onc

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