Filter an Array HackerRank Solution

Hello coders, In this post, you will learn how to solve Filter an Array HackerRank Solution. This problem is a part of the Linux Shell series.

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Filter an Array HackerRank Solution
Filter an Array HackerRank Solution

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Filter an Array HackerRank Solution

Objective

We now transition to some basic examples of bash scripting for the purpose of text processing and data munging. In this challenge, we practice reading and filtering an array.

Resources
Here’s a great tutorial with useful examples related to arrays in Bash.

Task
You are given a list of countries, each on a new line. Your task is to read them into an array and then filter out (remove) all the names containing the letter ‘a‘ or ‘A‘.

Input Format

The input format consists of a list of country names, each on a separate line. The only characters present in the country names will be upper or lower case characters and hyphens.

Output Format

From the given list, remove the names that contain ‘a‘ or ‘A‘ in them. If there are no names left after removing these characters, you should display a blank line.

Sample Input

Namibia
Nauru
Nepal
Netherlands
NewZealand
Nicaragua
Niger
Nigeria
NorthKorea
Norway

Sample Output

Niger

Explanation

Niger is the only name that does not contain an ‘a‘ or ‘A‘.

Filter an Array HackerRank Solution

# You are given a list of countries, each on a new line. Your task is to read them into an array and then filter out (remove) all the names containing the letter 'a' or 'A'.
arr=($(cat))
echo ${arr[@]/*[aA]*/}

Note: This problem  (Filter an Array) is generated by HackerRank but the solution is provided by  chase2learn. This tutorial is only for Learning and Educational purpose.

FAQ:

Bash and Linux Shell Practice on Hacker Rank

Bash and Linux Shell Practice. Learn and practice your Linux bash and text processing skills. The contest has ended. Speed. Accuracy. Efficiency.

Is it worth solving Linux Shell challenges in HackerRank?

Of course its worth . You might get some basic knowledge of for what kind of problem what command would be best .

What shell is in Linux?

sh – This is known as the Borne Shell and is the original shell; csh, tcsh – These are well-known and widely used derivatives of the Borne shell; ksh – The popular Korn shell; and. bash – The Borne Again SHell is the most popular shell used for linux and developed by GNU.

Where can I find HackerRank solutions in Linux Shell?

in this post you will get all the solutions of HackerRank Linux Shell Problems.

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Conclusion

Finally, we are now, in the end, I just want to conclude some important message for you

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