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Complete Solutions and related tutorials for the Linux Shell - Bash, text processing, Arrays in Bash, Grep Sed Awk Challenges on HackerRank

License: MIT License

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linux bash hackerrank hackerrank-solutions shell linux-shell challenge tutorial text-processing unix

hackerrank-the-linux-shell-challenges-solutions's Introduction

Hi there 👋 I'm Thomas George Thomas,

A Data engineer passionate about Data Science 📊. I like automating, building scalable pipelines, improving and optimizing systems. I am a Strong Advocate for 📜 open source, ☁️ Cloud computing, 🚀 DevOps, 🆕 Innovation and Automation 🤖

🌱 I’m currently pursuing Masters in Data Analytics Engineering at Northeastern University, Boston
⚡ Fun fact: I strongly believe in the Chaos theory: Even in unpredictable environments with seemingly random oddities and irregularities lies a predictable & sensible pattern not seen initially.
💡 I'm interested in all things data: Big Data, Cloud, Machine Learning and Data Science
💬 Talk to me about Formula 1 🏎️, Memes, Anime, Movies 🎥, Genshin Impact 🎮, Amateur Photography 📸

My skills include

A problem can be solved in a 100 different ways and There's always an easier way to solve a problem.
You miss 100% of the shots you don't take.

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hackerrank-the-linux-shell-challenges-solutions's Issues

[Solution]: Functions and Fractals - Recursive Trees - Bash!

Hello! ✌

I started learning Shell Scripting and started practicing at Hackerrank and while practicing questions I stuck at Functions and Fractals question and google search to get the idea of solution I found your repo as my first result!

As a beginner who started learning Shell scripting, I found your this repository very helpful, each command I first learning from youtube & when stuck I reach out to this repository.

The mentioned question does not have a solution, nor I could solve it, I found an answer, and want to contribute to this repository with the solution I got.

declare -A a

# credits to https://github.com/MaskRay/HackerRank/blob/master/shell/fractal-trees-all.sh
# d - depth
# l = length
# r = row
# c = column

f() {
    local d=$1 l=$2 r=$3 c=$4
    [[ $d -eq 0 ]] && return
    for ((i=l; i; i--)); do
        a[$((r-i)).$c]=1
    done
    ((r -= l))
    for ((i=l; i; i--)); do
        a[$((r-i)).$((c-i))]=1
        a[$((r-i)).$((c+i))]=1
    done
    f $((d-1)) $((l/2)) $((r-l)) $((c-l))
    f $((d-1)) $((l/2)) $((r-l)) $((c+l))
}
read n
f $n 16 63 49
for ((i=0; i<63; i++)); do
    for ((j=0; j<100; j++)); do
        if [[ ${a[$i.$j]} ]]; then
            printf 1
        else
            printf _
        fi
    done
    echo
done

I hope this adds a complete mark to your repository and it will eventually help people in the community!

About 'Sed' command #1.sh Solution

Your solution: $ sed -e 's/the /this /1'
It showing error.
After then i done this like this sed -e 's/<the>/this/'

linux-shell-tutor

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