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

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

Controlling stepper motor through rtlinux, In this project, we have measure...

In this project, we have measured and compared the performance given by RTLinux, which is real time system with non-real time Linux operating system. Also, we have measured the

Design and implement instantiable classes, Overview Goals: The goals for...

Overview Goals: The goals for this assignment are Design and implement instantiable classes. Use arrays of objects. Read from and write to files. Implement basic

E-R diagram, can you give me online education system E-R daigram..

can you give me online education system E-R daigram..

C programming, write a function that raises an integer to a positive intege...

write a function that raises an integer to a positive integer power. call the function x_to_the_n taking two integer arguments x and n. have the function return a long int, which r

Matlab help, i(t)=(V/R) * (1-e^-(R/L)(t)) (a) Defi ne an anonymous function...

i(t)=(V/R) * (1-e^-(R/L)(t)) (a) Defi ne an anonymous function answerE that returns i(t) given input t. (b) The fi nal value for the current is 2 amps. Find a time tm when the curr

Java program, Write a java program for inserting a particular node.

Write a java program for inserting a particular node.

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

JUnit test, hi, can you help me with testing java classes I have wrote usin...

hi, can you help me with testing java classes I have wrote using java and jsp and servlet in eclipse ? I want to use JUnit for testing

Write out the syntax of nested if statements, Write out the Syntax of Neste...

Write out the Syntax of Nested if Statements? The universal form is                         If(expression 1)                         {

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