BASH from beginner to advanced: Solutions to Hackerrank Challenges - Episode 15: Cut Command
Welcome to this comprehensive series of videos where we will be giving solutions and explanations for various BASH challenges from Hackerrank. In this video, we will be addressing 9 tasks, including "Cut 1" (https://www.hackerrank.com/challenges..., "Cut 2" (https://www.hackerrank.com/challenges..., "Cut 3" (https://www.hackerrank.com/challenges..., "Cut 4" (https://www.hackerrank.com/challenges..., "Cut 5" (https://www.hackerrank.com/challenges..., "Cut 6" (https://www.hackerrank.com/challenges..., "Cut 7" (https://www.hackerrank.com/challenges..., "Cut 8" (https://www.hackerrank.com/challenges...) and "Cut 9" (https://www.hackerrank.com/challenges....
Our goal in this series is to document my thought process and solutions, and to focus on concepts and ideas rather than details. I will also be highlighting the differences between BASH and popular programming languages like Python and JavaScript.
BASH is a powerful command-line interface for interacting with an operating system. It's a shell, and the most popular one. It can be used directly in the terminal or in scripts, which are text files containing a series of instructions. BASH is particularly useful for tasks such as text processing, file operations, connecting multiple programs, and system maintenance. It is also portable, working by default on many platforms.
The cut command is a powerful tool available on Unix-like operating systems (such as Linux) that is used to extract specific columns or fields of text from a file or standard input. It is often used in combination with other commands to manipulate text and data.
The basic syntax of the cut command is as follows:
cut [options] [file(s)]
The options that can be used with the cut command include:
-c: This option is used to select specific characters from each line of the file. For example, cut -c 1-5 will select the first five characters from each line.
-f: This option is used to select specific fields (i.e., columns) from each line of the file, separated by a delimiter (such as a comma or a tab). For example, cut -f 1,3 will select the first and third fields from each line.
-d: This option is used to specify the delimiter used to separate fields in the file. For example, cut -d ',' -f 1,3 will select the first and third fields from each line, where the fields are separated by commas.
If you want to see all the solutions for these challenges, you can find them on my Github repository: https://github.com/djeada/Bash-Hacker...
Also, you can find me on my website: https://adamdjellouli.com/ where I write about different programming topics, and you can see my other projects.
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