#!/usr/bin/env bellos
# File: file_operations.bellos

# Demonstrating file operations

# Create a test file
echo "Creating test file..."
echo "Hello, World!" > test.txt

# Read the contents of the file
echo "\nReading test file:"
cat test.txt

# Append to the file
echo "\nAppending to test file..."
echo "This is a new line" >> test.txt

# Read the updated contents
echo "\nReading updated test file:"
cat test.txt

# Write to a new file
echo "\nWriting to a new file..."
echo "This is a new file" > new_file.txt

# Read the new file
echo "\nReading new file:"
cat new_file.txt

# List files in the current directory
echo "\nListing files in the current directory:"
ls -l

# Rename a file
echo "\nRenaming file..."
mv new_file.txt renamed_file.txt

# Check if file exists
echo "\nChecking if files exist:"
if [ -f "test.txt" ]; then
    echo "test.txt exists"
else
    echo "test.txt does not exist"
fi

if [ -f "new_file.txt" ]; then
    echo "new_file.txt exists"
else
    echo "new_file.txt does not exist"
fi

if [ -f "renamed_file.txt" ]; then
    echo "renamed_file.txt exists"
else
    echo "renamed_file.txt does not exist"
fi

# Delete files
echo "\nDeleting files..."
rm test.txt renamed_file.txt

# List files again to confirm deletion
echo "\nListing files after deletion:"
ls -l