Add Linux Shell problems

alexprut · Jan 11, 2020 · 301d883 · 301d883
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diff --git a/Linux Shell/Bash/A Personalized Echo/Solution.txt b/Linux Shell/Bash/A Personalized Echo/Solution.txt
@@ -0,0 +1,3 @@
+#!/bin/bash
+read name
+echo "Welcome $name"
diff --git a/Linux Shell/Bash/Comparing Numbers/Solution.txt b/Linux Shell/Bash/Comparing Numbers/Solution.txt
@@ -0,0 +1,14 @@
+#!/bin/bash
+read X
+read Y
+if (($X == $Y)); then
+    echo "X is equal to Y"
+fi
+
+if (($X > $Y)); then
+    echo "X is greater than Y"
+fi
+
+if (($X < $Y)); then
+    echo "X is less than Y"
+fi
diff --git a/Linux Shell/Bash/Getting started with conditionals/Solution.txt b/Linux Shell/Bash/Getting started with conditionals/Solution.txt
@@ -0,0 +1,8 @@
+#!/bin/bash
+read command
+if [ $command == "y" ] || [ $command == "Y" ]
+then
+    echo "YES"
+else
+    echo "NO"
+fi
diff --git a/Linux Shell/Bash/Let's Echo/Solution.txt b/Linux Shell/Bash/Let's Echo/Solution.txt
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo HELLO
diff --git a/Linux Shell/Bash/Looping and Skipping/Solution.txt b/Linux Shell/Bash/Looping and Skipping/Solution.txt
@@ -0,0 +1,2 @@
+#!/bin/bash
+seq 1 2 99
diff --git a/Linux Shell/Bash/Looping with Numbers/Solution.txt b/Linux Shell/Bash/Looping with Numbers/Solution.txt
@@ -0,0 +1,5 @@
+#!/bin/bash
+for i in {1..50}
+do
+    echo $i
+done
diff --git a/Linux Shell/Bash/The World of Numbers/Solution.txt b/Linux Shell/Bash/The World of Numbers/Solution.txt
@@ -0,0 +1,7 @@
+#!/bin/bash
+read X
+read Y
+echo $(($X + $Y))
+echo $(($X - $Y))
+echo $(($X * $Y))
+echo $(($X / $Y))
diff --git a/Linux Shell/Grep Sed Awk/'Grep' #1/Solution.txt b/Linux Shell/Grep Sed Awk/'Grep' #1/Solution.txt
@@ -0,0 +1 @@
+grep -w "the"
diff --git a/Linux Shell/Grep Sed Awk/'Grep' #2/Solution.txt b/Linux Shell/Grep Sed Awk/'Grep' #2/Solution.txt
@@ -0,0 +1 @@
+grep -iw "the"
diff --git a/Linux Shell/Grep Sed Awk/'Grep' #3/Solution.txt b/Linux Shell/Grep Sed Awk/'Grep' #3/Solution.txt
@@ -0,0 +1 @@
+grep -ivw "that"
diff --git a/Linux Shell/Grep Sed Awk/'Grep' - A/Solution.txt b/Linux Shell/Grep Sed Awk/'Grep' - A/Solution.txt
@@ -0,0 +1 @@
+grep -wEi "the|that|then|those"
diff --git a/Linux Shell/Grep Sed Awk/'Grep' - B/Solution.txt b/Linux Shell/Grep Sed Awk/'Grep' - B/Solution.txt
@@ -0,0 +1 @@
+grep '\([0-9]\) *\1'
diff --git a/Linux Shell/Grep Sed Awk/'Sed' command #1/Solution.txt b/Linux Shell/Grep Sed Awk/'Sed' command #1/Solution.txt
@@ -0,0 +1 @@
+sed 's/\bthe\b/this/'
diff --git a/Linux Shell/Grep Sed Awk/'Sed' command #2/Solution.txt b/Linux Shell/Grep Sed Awk/'Sed' command #2/Solution.txt
@@ -0,0 +1 @@
+sed "s/thy/your/ig"
diff --git a/Linux Shell/Grep Sed Awk/'Sed' command #3/Solution.txt b/Linux Shell/Grep Sed Awk/'Sed' command #3/Solution.txt
@@ -0,0 +1 @@
+sed -e 's/thy/{&}/ig'
diff --git a/Linux Shell/Text Processing/'Sort' command #6/Solution.txt b/Linux Shell/Text Processing/'Sort' command #6/Solution.txt
@@ -0,0 +1,3 @@
+
+
+sort -t$'\t' -k2 -n
diff --git a/Linux Shell/Text Processing/'Sort' command #7/Solution.txt b/Linux Shell/Text Processing/'Sort' command #7/Solution.txt
@@ -0,0 +1,3 @@
+
+
+sort -t$'|' -k2 -rn
diff --git a/Linux Shell/Text Processing/'Tr' Command #1/Solution.txt b/Linux Shell/Text Processing/'Tr' Command #1/Solution.txt
@@ -0,0 +1 @@
+tr "(" "[" | tr ")" "]"
diff --git a/Linux Shell/Text Processing/'Tr' Command #2/Solution.txt b/Linux Shell/Text Processing/'Tr' Command #2/Solution.txt
@@ -0,0 +1 @@
+tr -d "a-z"
diff --git a/Linux Shell/Text Processing/'Tr' Command #3/Solution.txt b/Linux Shell/Text Processing/'Tr' Command #3/Solution.txt
@@ -0,0 +1 @@
+tr -s " "
diff --git a/Linux Shell/Text Processing/'Uniq' Command #1/Solution.txt b/Linux Shell/Text Processing/'Uniq' Command #1/Solution.txt
@@ -0,0 +1,3 @@
+
+
+uniq
diff --git a/Linux Shell/Text Processing/'Uniq' Command #2/Solution.txt b/Linux Shell/Text Processing/'Uniq' Command #2/Solution.txt
@@ -0,0 +1 @@
+uniq -c | cut -b7-
diff --git a/Linux Shell/Text Processing/'Uniq' Command #4/Solution.txt b/Linux Shell/Text Processing/'Uniq' Command #4/Solution.txt
@@ -0,0 +1 @@
+uniq -u
diff --git a/Linux Shell/Text Processing/Cut #1/Solution.txt b/Linux Shell/Text Processing/Cut #1/Solution.txt
@@ -0,0 +1 @@
+cut -c 3
diff --git a/Linux Shell/Text Processing/Cut #2/Solution.txt b/Linux Shell/Text Processing/Cut #2/Solution.txt
@@ -0,0 +1 @@
+cut -c 2,7
diff --git a/Linux Shell/Text Processing/Cut #3/Solution.txt b/Linux Shell/Text Processing/Cut #3/Solution.txt
@@ -0,0 +1 @@
+cut -c 2-7
diff --git a/Linux Shell/Text Processing/Cut #4/Solution.txt b/Linux Shell/Text Processing/Cut #4/Solution.txt
@@ -0,0 +1 @@
+cut -c 1-4
diff --git a/Linux Shell/Text Processing/Cut #5/Solution.txt b/Linux Shell/Text Processing/Cut #5/Solution.txt
@@ -0,0 +1 @@
+cut -d $'\t' -f0-3
diff --git a/Linux Shell/Text Processing/Cut #6/Solution.txt b/Linux Shell/Text Processing/Cut #6/Solution.txt
@@ -0,0 +1 @@
+cut -c13-
diff --git a/Linux Shell/Text Processing/Cut #7/Solution.txt b/Linux Shell/Text Processing/Cut #7/Solution.txt
@@ -0,0 +1,2 @@
+
+cut -d' ' -f4
diff --git a/Linux Shell/Text Processing/Cut #8/Solution.txt b/Linux Shell/Text Processing/Cut #8/Solution.txt
@@ -0,0 +1 @@
+cut -d' ' -f-3
diff --git a/Linux Shell/Text Processing/Cut #9/Solution.txt b/Linux Shell/Text Processing/Cut #9/Solution.txt
@@ -0,0 +1 @@
+cut -f2-
diff --git a/Linux Shell/Text Processing/Head of a Text File #1/Solution.txt b/Linux Shell/Text Processing/Head of a Text File #1/Solution.txt
@@ -0,0 +1 @@
+head -n 20
diff --git a/Linux Shell/Text Processing/Head of a Text File #2/Solution.txt b/Linux Shell/Text Processing/Head of a Text File #2/Solution.txt
@@ -0,0 +1,2 @@
+head -c 20
+
diff --git a/Linux Shell/Text Processing/Middle of a Text File/Solution.txt b/Linux Shell/Text Processing/Middle of a Text File/Solution.txt
@@ -0,0 +1 @@
+head -n 22 | tail -n +12
diff --git a/Linux Shell/Text Processing/Sort Command #1/Solution.txt b/Linux Shell/Text Processing/Sort Command #1/Solution.txt
@@ -0,0 +1,2 @@
+sort
+
diff --git a/Linux Shell/Text Processing/Sort Command #2/Solution.txt b/Linux Shell/Text Processing/Sort Command #2/Solution.txt
@@ -0,0 +1 @@
+sort -r
diff --git a/Linux Shell/Text Processing/Sort Command #3/Solution.txt b/Linux Shell/Text Processing/Sort Command #3/Solution.txt
@@ -0,0 +1,3 @@
+
+
+sort -n
diff --git a/Linux Shell/Text Processing/Sort Command #4/Solution.txt b/Linux Shell/Text Processing/Sort Command #4/Solution.txt
@@ -0,0 +1 @@
+sort -rn
diff --git a/Linux Shell/Text Processing/Sort Command #5/Solution.txt b/Linux Shell/Text Processing/Sort Command #5/Solution.txt
@@ -0,0 +1 @@
+sort -t$'\t' -k2 -rn
diff --git a/Linux Shell/Text Processing/Tail of a Text File #1/Solution.txt b/Linux Shell/Text Processing/Tail of a Text File #1/Solution.txt
@@ -0,0 +1 @@
+tail -n 20
diff --git a/Linux Shell/Text Processing/Tail of a Text File #2/Solution.txt b/Linux Shell/Text Processing/Tail of a Text File #2/Solution.txt
@@ -0,0 +1 @@
+tail -c 20
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 <div align="center">
 <img src="https://github.com/alexprut/HackerRank/raw/master/hackerrank-logo.png" width="450" height="auto"/>
 
-[![Solutions](https://img.shields.io/badge/solutions-366-green.svg?style=flat-square)](https://github.com/alexprut/HackerRank#table-of-contents)
+[![Solutions](https://img.shields.io/badge/solutions-408-green.svg?style=flat-square)](https://github.com/alexprut/HackerRank#table-of-contents)
 [![Languages](https://img.shields.io/badge/languages-c%2B%2B%2Cjava%2Chaskell-yellow.svg)](https://github.com/alexprut/HackerRank#table-of-contents)
 [![Author](https://img.shields.io/badge/author-alexprut-brightgreen.svg?style=flat-square)](https://www.hackerrank.com/alexprut)
 [![MIT](https://img.shields.io/dub/l/vibe-d.svg?style=flat-square)](https://github.com/alexprut/HackerRank/blob/master/LICENSE)
@@ -38,6 +38,7 @@ platform tests of a given problem.
 1. [Distributed Systems](#distributed-systems)
 1. [Mathematics](#mathematics)
 1. [Artificial Intelligence](#artificial-intelligence)
+1. [Linux Shell](#linux-shell)
 
 ## Algorithms
 |Subdomain|Challenge|Difficulty|Score|Solution|
@@ -446,6 +447,52 @@ platform tests of a given problem.
 |Probability & Statistics - Foundations|[Basic Probability Puzzles #9](https://www.hackerrank.com/challenges/basic-probability-puzzles-9)|Medium|5|[Solution.txt](Artificial%20Intelligence/Probability%20&%20Statistics%20-%20Foundations/Basic%20Probability%20Puzzles%20#9/Solution.txt)|
 |Probability & Statistics - Foundations|[Basic Probability Puzzles #10](https://www.hackerrank.com/challenges/basic-probability-puzzles-10)|Medium|5|[Solution.txt](Artificial%20Intelligence/Probability%20&%20Statistics%20-%20Foundations/Basic%20Probability%20Puzzles%20#10/Solution.txt)|
 
+##  Linux Shell
+|Subdomain|Challenge|Difficulty|Score|Solution|
+|-|-|-|-|-|
+|Bash|[Let's Echo](https://www.hackerrank.com/challenges/bash-tutorials-lets-echo)|Easy|1|[Solution.txt](Linux Shell/Bash/Let's Echo/Solution.txt)|
+|Bash|[Looping and Skipping](https://www.hackerrank.com/challenges/bash-tutorials---looping-and-skipping)|Easy|2|[Solution.txt](Linux%20Shell/Bash/Looping%20and%20Skipping/Solution.txt)|
+|Bash|[A Personalized Echo](https://www.hackerrank.com/challenges/bash-tutorials---a-personalized-echo)|Easy|1|[Solution.txt](Linux%20Shell/Bash/A%20Personalized%20Echo/Solution.txt)|
+|Bash|[Looping with Numbers](https://www.hackerrank.com/challenges/bash-tutorials---looping-with-numbers)|Easy|2|[Solution.txt](Linux%20Shell/Bash/Looping%20with%20Numbers/Solution.txt)|
+|Bash|[The World of Numbers](https://www.hackerrank.com/challenges/bash-tutorials---the-world-of-numbers)|Easy|2|[Solution.txt](Linux%20Shell/Bash/The%20World%20of%20Numbers/Solution.txt)|
+|Bash|[Comparing Numbers](https://www.hackerrank.com/challenges/bash-tutorials---comparing-numbers)|Easy|3|[Solution.txt](Linux%20Shell/Bash/Comparing%20Numbers/Solution.txt)|
+|Bash|[Getting started with conditionals](https://www.hackerrank.com/challenges/bash-tutorials---getting-started-with-conditionals)|Easy|3|[Solution.txt](Linux%20Shell/Bash/Getting%20started%20with%20conditionals/Solution.txt)|
+|Text Processing|[Cut #1](https://www.hackerrank.com/challenges/text-processing-cut-1)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#1/Solution.txt)|
+|Text Processing|[Cut #2](https://www.hackerrank.com/challenges/text-processing-cut-2)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#2/Solution.txt)|
+|Text Processing|[Cut #3](https://www.hackerrank.com/challenges/text-processing-cut-3)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#3/Solution.txt)|
+|Text Processing|[Cut #4](https://www.hackerrank.com/challenges/text-processing-cut-4)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#4/Solution.txt)|
+|Text Processing|[Cut #5](https://www.hackerrank.com/challenges/text-processing-cut-5)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#5/Solution.txt)|
+|Text Processing|[Cut #6](https://www.hackerrank.com/challenges/text-processing-cut-6)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#6/Solution.txt)|
+|Text Processing|[Cut #7](https://www.hackerrank.com/challenges/text-processing-cut-7)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#7/Solution.txt)|
+|Text Processing|[Cut #8](https://www.hackerrank.com/challenges/text-processing-cut-8)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#8/Solution.txt)|
+|Text Processing|[Cut #9](https://www.hackerrank.com/challenges/text-processing-cut-9)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Cut%20#9/Solution.txt)|
+|Text Processing|[Head of a Text File #1](https://www.hackerrank.com/challenges/text-processing-head-1)|Easy|2|[Solution.txt](Linux%20Shell/Text%20Processing/Head%20of%20a%20Text%20File%20#1/Solution.txt)|
+|Text Processing|[Head of a Text File #2](https://www.hackerrank.com/challenges/text-processing-head-2)|Easy|2|[Solution.txt](Linux%20Shell/Text%20Processing/Head%20of%20a%20Text%20File%20#2/Solution.txt)|
+|Text Processing|[Middle of a Text File](https://www.hackerrank.com/challenges/text-processing-in-linux---the-middle-of-a-text-file)|Easy|3|[Solution.txt](Linux%20Shell/Text%20Processing/Middle%20of%20a%20Text%20File/Solution.txt)|
+|Text Processing|[Tail of a Text File #1](https://www.hackerrank.com/challenges/text-processing-tail-1)|Easy|2|[Solution.txt](Linux%20Shell/Text%20Processing/Tail%20of%20a%20Text%20File%20#1/Solution.txt)|
+|Text Processing|[Tail of a Text File #2](https://www.hackerrank.com/challenges/text-processing-tail-2)|Easy|2|[Solution.txt](Linux%20Shell/Text%20Processing/Tail%20of%20a%20Text%20File%20#2/Solution.txt)|
+|Text Processing|['Tr' Command #1](https://www.hackerrank.com/challenges/text-processing-tr-1)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Tr'%20Command%20#1/Solution.txt)|
+|Text Processing|['Tr' Command #2](https://www.hackerrank.com/challenges/text-processing-tr-2)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Tr'%20Command%20#2/Solution.txt)|
+|Text Processing|['Tr' Command #3](https://www.hackerrank.com/challenges/text-processing-tr-3)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Tr'%20Command%20#3/Solution.txt)|
+|Text Processing|[Sort Command #1](https://www.hackerrank.com/challenges/text-processing-sort-1)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Sort%20Command%20#1/Solution.txt)|
+|Text Processing|[Sort Command #2](https://www.hackerrank.com/challenges/text-processing-sort-2)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Sort%20Command%20#2/Solution.txt)|
+|Text Processing|[Sort Command #3](https://www.hackerrank.com/challenges/text-processing-sort-3)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Sort%20Command%20#3/Solution.txt)|
+|Text Processing|[Sort Command #4](https://www.hackerrank.com/challenges/text-processing-sort-4)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Sort%20Command%20#4/Solution.txt)|
+|Text Processing|[Sort Command #5](https://www.hackerrank.com/challenges/text-processing-sort-5)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/Sort%20Command%20#5/Solution.txt)|
+|Text Processing|['Sort' command #6](https://www.hackerrank.com/challenges/text-processing-sort-6)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Sort'%20command%20#6/Solution.txt)|
+|Text Processing|['Sort' command #7](https://www.hackerrank.com/challenges/text-processing-sort-7)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Sort'%20command%20#7/Solution.txt)|
+|Text Processing|['Uniq' Command #1](https://www.hackerrank.com/challenges/text-processing-in-linux-the-uniq-command-1)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Uniq'%20Command%20#1/Solution.txt)|
+|Text Processing|['Uniq' Command #2](https://www.hackerrank.com/challenges/text-processing-in-linux-the-uniq-command-2)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Uniq'%20Command%20#2/Solution.txt)|
+|Text Processing|['Uniq' command #4](https://www.hackerrank.com/challenges/text-processing-in-linux-the-uniq-command-4)|Easy|1|[Solution.txt](Linux%20Shell/Text%20Processing/'Uniq'%20command%20#4/Solution.txt)|
+|Grep Sed Awk|['Grep' #1](https://www.hackerrank.com/challenges/text-processing-in-linux-the-grep-command-1)|Medium|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Grep'%20#1/Solution.txt)|
+|Grep Sed Awk|['Grep' #2](https://www.hackerrank.com/challenges/text-processing-in-linux-the-grep-command-2)|Medium|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Grep'%20#2/Solution.txt)|
+|Grep Sed Awk|['Grep' #3](https://www.hackerrank.com/challenges/text-processing-in-linux-the-grep-command-3)|Medium|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Grep'%20#3/Solution.txt)|
+|Grep Sed Awk|['Grep' - A](https://www.hackerrank.com/challenges/text-processing-in-linux-the-grep-command-4)|Easy|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Grep'%20-%20A/Solution.txt)|
+|Grep Sed Awk|['Grep' - B](https://www.hackerrank.com/challenges/text-processing-in-linux-the-grep-command-5)|Easy|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Grep'%20-%20B/Solution.txt)|
+|Grep Sed Awk|['Sed' command #1](https://www.hackerrank.com/challenges/text-processing-in-linux-the-sed-command-1)|Medium|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Sed'%20command%20#1/Solution.txt)|
+|Grep Sed Awk|['Sed' command #2](https://www.hackerrank.com/challenges/text-processing-in-linux-the-sed-command-2)|Medium|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Sed'%20command%20#2/Solution.txt)|
+|Grep Sed Awk|['Sed' command #3](https://www.hackerrank.com/challenges/text-processing-in-linux-the-sed-command-3)|Easy|2|[Solution.txt](Linux%20Shell/Grep%20Sed%20Awk/'Sed'%20command%20#3/Solution.txt)|
+
 License
 =======
 Licensed under [MIT](LICENSE).