Shell script delete all lines from file contains word mca, Programming Languages

Assignment Help:

 Delete all such lines from a file that contains the word “MCA”.

 

echo -e "Enter the pattern : \c"

read ptrn

cnt=0

for i in `ls -1`

do

 if [ -f $i ]

 then

  l=`grep -E $ptrn $i|wc -l`

  if [ $l -gt 0 ]

  then

   rm $i

   echo "$i is deleted....."

   fi

 fi

done

 

Output

Enter the pattern : mca

temp.sh is deleted.....


Related Discussions:- Shell script delete all lines from file contains word mca

Matlab, i have a=[0 1 1 2 2 3 6 7 0 4 ] i want to delent elemet but keep it...

i have a=[0 1 1 2 2 3 6 7 0 4 ] i want to delent elemet but keep its position i.e a(4)=[] it gives me 0 1 1 2 3 6 7 0 4 but i need 0 1 1 [] 2 3 6 7 0 4

Access modifiers, Access Modifiers Convenience Modifiers or we can say (Acc...

Access Modifiers Convenience Modifiers or we can say (Access Specifies) identifies as the opportunity of accessibility of an Item and its associates. All C# kinds and kind associat

Create a fortran program for represent a convex polygon, In analytical geom...

In analytical geometry, a convex polygon can be represented by the Cartesian coordinates of its vertices, x and y. Assume such data of a polygon are stored in a file called "vertic

Explain why the simplifiled knapsack code is not secure, 1- If the order of...

1- If the order of a (mod P) is 3, prove that the order of a+1 is 6. 2- Explain why the "simplifiled knapsack" code is not secure.

Describe the hypermedia and hypertext, Question: (a) How does HTML all...

Question: (a) How does HTML allow you to: (i) turn an image into a clickable hyperlink? Include code to switch off the default border (ii) convert the above hyperlink i

Define a procedure that takes a list as a single argument, (a) Define a pro...

(a) Define a procedure (subsets x) that takes a list as a single argument and returns all 2^n subsets of that list, i.e. the power set of the list; e.g. (subsets '(a b c)) ==> (

Triple eigenvalue with 3 linearly independent eigenvectors, 1 Triple Eigenv...

1 Triple Eigenvalue with 3 Linearly Independent Eigenvectors In this case we will have the eigenvalue l with the three linearly independent eigenvectors  ?h 1 , ?h 2 and  ?h

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.

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

Explain what the return value of fork-shell programming, Simple Shell ...

Simple Shell In this LAB, you will explore and extend a simple Unix shell interpreter. In doing so, you will learn the basics of system calls for creating and managing process

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