bellos

README.md

@@ -12,7 +12,157 @@
 - Environment variables
 - redirection support
 
+## BELLOS Usage
+```
+#!/usr/bin/env bellos
+# File: hello_world.bellos
 
+# Simple Hello World script
+echo "Hello, World!"
+
+# Using variables
+name="Bellos"
+echo "Welcome to $name programming!"
+
+# ----------------------------------------
+
+#!/usr/bin/env bellos
+# File: basic_math.bellos
+
+# Demonstrating arithmetic operations
+a=5
+b=3
+
+sum=$((a + b))
+difference=$((a - b))
+product=$((a * b))
+quotient=$((a / b))
+
+echo "Sum: $sum"
+echo "Difference: $difference"
+echo "Product: $product"
+echo "Quotient: $quotient"
+
+# ----------------------------------------
+
+#!/usr/bin/env bellos
+# File: control_structures.bellos
+
+# Demonstrating if statements and loops
+
+# If statement
+if [ $# -eq 0 ]
+then
+    echo "No arguments provided"
+elif [ $# -eq 1 ]
+then
+    echo "One argument provided: $1"
+else
+    echo "Multiple arguments provided"
+fi
+
+# For loop
+echo "Counting from 1 to 5:"
+for i in 1 2 3 4 5
+do
+    echo $i
+done
+
+# While loop
+echo "Countdown:"
+count=5
+while [ $count -gt 0 ]
+do
+    echo $count
+    count=$((count - 1))
+done
+
+# ----------------------------------------
+
+#!/usr/bin/env bellos
+# File: functions.bellos
+
+# Defining and using functions
+
+function greet() {
+    echo "Hello, $1!"
+}
+
+function add() {
+    echo $(($1 + $2))
+}
+
+# Calling functions
+greet "User"
+result=$(add 3 4)
+echo "3 + 4 = $result"
+
+# ----------------------------------------
+
+#!/usr/bin/env bellos
+# File: file_operations.bellos
+
+# Demonstrating file operations
+
+# Writing to a file
+echo "This is a test file" > test.txt
+echo "Adding another line" >> test.txt
+
+# Reading from a file
+echo "Contents of test.txt:"
+cat test.txt
+
+# Using a while loop to read file line by line
+echo "Reading file line by line:"
+while read -r line
+do
+    echo "Line: $line"
+done < test.txt
+
+# Cleaning up
+rm test.txt
+
+# ----------------------------------------
+
+#!/usr/bin/env bellos
+# File: string_manipulation.bellos
+
+# Demonstrating string manipulation
+
+string="Hello, Bellos!"
+
+# String length
+echo "Length of string: ${#string}"
+
+# Substring
+echo "First 5 characters: ${string:0:5}"
+
+# String replacement
+new_string=${string/Bellos/World}
+echo "Replaced string: $new_string"
+
+# Converting to uppercase
+echo "Uppercase: ${string^^}"
+
+# Converting to lowercase
+echo "Lowercase: ${string,,}"
+```
+
+## Website NPM
+- https://crates.io/crates/bellos
+
+### Installation
+- `cargo add bellos`
+
+```
+Name: bellos
+Version: 0.0.1
+Summary: Bellande Operating System Scripting Programming Language
+Home-page: github.com/RonaldsonBellande/bellos
+Author: Ronaldson Bellande
+Author-email: ronaldsonbellande@gmail.com
+License: GNU General Public License v3.0
+```
 
 ## License