Category Archives: Linux / Unix Shell

A file is given, and a string is given. The number of time the string occurs in the file, and the line number in which the string occurs in the file needs to be found out and printed.

Objective The objective is to write a shell script to mimic the functions of the wc command. This shell script would be made with bash built-ins and standard coreutils commands, and is made as accurate as possible to mimic wc.

This is a post to present one method to inverse the bit pattern of an input number, the bitwise not operation on a bit pattern. I am presenting one method which i figured out.

Objective Generating prime numbers within a range using bash script. The technique used in this implementation to generate the prime numbers is still the good old divide and check method, but with some tweaks attempting to make the execution a … Continue reading →

Some days back I got a collection of 100 Greatest Piano Works cd collection. The first thing I did was to rip the CD in flac and preserve a lossless copy of the disks. Then I converted those to ogg … Continue reading →

A shell script is written to achieve a purpose, and it is very helpful is the shell script takes multiple commandline arguments and then operate on each argument, instead of execute the shellscript multiple times. This post will talk about how to make the shell script work with multiple arguments. Continue reading →

A bash script to print the lines of a file in reverse order. Continue reading →

A bash script to find the digital root of an integer Continue reading →

A simple problem: To find if a string is a palindrome or not using Bash script Continue reading →