Merge pull request #25 from wooddang-gachon/Add-basic-bash-syntax-examples

Add basic bash syntax examples Closes #15

Author: iamdevdhanush

level-1-shell-scripting/basics/basics/README.md

@@ -0,0 +1,129 @@
+# Basic Shell Scripting Examples
+
+This folder contains **basic Bash shell scripting examples** for beginners.
+Each script demonstrates a core concept commonly used in shell scripting.
+
+---
+
+## Prerequisites
+
+* Linux / macOS terminal (or Git Bash / WSL on Windows)
+* Bash shell
+* Basic terminal knowledge (`cd`, `ls`)
+
+Make scripts executable (optional):
+
+```bash
+chmod +x *.sh
+```
+
+---
+
+## Scripts Overview
+
+### 1️⃣ `variables.sh`
+
+**What it demonstrates**
+
+* How to declare and use variables in Bash
+
+**How to run**
+
+```bash
+bash variables.sh
+```
+
+**What you should learn**
+
+* Variable assignment syntax
+* How to reference variables using `$`
+* Difference between strings and variables
+
+---
+
+### 2️⃣ `echo.sh`
+
+**What it demonstrates**
+
+* Printing output to the terminal using `echo`
+
+**How to run**
+
+```bash
+bash echo.sh
+```
+
+**What you should learn**
+
+* How to display text
+* How to print variables
+* Basic output formatting
+
+---
+
+### 3️⃣ `if_else.sh`
+
+**What it demonstrates**
+
+* Conditional logic using `if`, `else`
+
+**How to run**
+
+```bash
+bash if_else.sh
+```
+
+**What you should learn**
+
+* How conditions work in Bash
+* Using comparison operators
+* Controlling script flow based on conditions
+
+---
+
+### 4️⃣ `loops.sh`
+
+**What it demonstrates**
+
+* Looping with `for` (and/or `while`)
+
+**How to run**
+
+```bash
+bash loops.sh
+```
+
+**What you should learn**
+
+* Repeating commands using loops
+* Iterating over values
+* Automating repetitive tasks
+
+---
+
+### 5️⃣ `hello.sh`
+
+**What it demonstrates**
+
+* A simple end-to-end Bash script
+
+**How to run**
+
+```bash
+bash hello.sh
+```
+
+**What you should learn**
+
+* Basic script structure
+* Using `echo`
+* Running a shell script from the terminal
+
+---
+
+## Notes
+
+* These examples are intentionally simple for learning purposes.
+* Try editing the scripts and re-running them to better understand how Bash works.
+
+Happy scripting! 🚀

level-1-shell-scripting/basics/basics/echo.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+echo "Hello, World"
+echo "My name is $name"

level-1-shell-scripting/basics/basics/hello.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "hello"

level-1-shell-scripting/basics/basics/ifelse.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+name="Wooddang"
+
+if [ "$name" = "Wooddang" ]; then
+  echo "Welcome, Wooddang!"
+else
+  echo "Access denied"
+fi

level-1-shell-scripting/basics/basics/loops.sh

@@ -0,0 +1,14 @@
+
+#!/bin/bash
+for i in 1 2 3 4 5
+do
+  echo "Number: $i"
+done
+
+count=1
+
+while [ $count -le 3 ]
+do
+  echo "Count is $count"
+  count=$((count + 1))
+done

level-1-shell-scripting/basics/basics/variables.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+name="Wooddang"
+age=30
+
+echo $name
+echo $age