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db/init.sh
Executable file
234
db/init.sh
Executable file
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#!/bin/bash
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# C Nostr Relay Database Initialization Script
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# Creates and initializes the SQLite database with proper schema
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set -e # Exit on any error
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# Configuration
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DB_DIR="$(dirname "$0")"
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DB_NAME="c_nostr_relay.db"
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DB_PATH="${DB_DIR}/${DB_NAME}"
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SCHEMA_FILE="${DB_DIR}/schema.sql"
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Logging functions
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log_info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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log_success() {
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echo -e "${GREEN}[SUCCESS]${NC} $1"
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}
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log_warning() {
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echo -e "${YELLOW}[WARNING]${NC} $1"
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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# Check if SQLite3 is installed
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check_sqlite() {
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if ! command -v sqlite3 &> /dev/null; then
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log_error "sqlite3 is not installed. Please install it first:"
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echo " Ubuntu/Debian: sudo apt-get install sqlite3"
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echo " CentOS/RHEL: sudo yum install sqlite"
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echo " macOS: brew install sqlite3"
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exit 1
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fi
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local version=$(sqlite3 --version | cut -d' ' -f1)
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log_info "Using SQLite version: $version"
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}
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# Create database directory if it doesn't exist
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create_db_directory() {
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if [ ! -d "$DB_DIR" ]; then
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log_info "Creating database directory: $DB_DIR"
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mkdir -p "$DB_DIR"
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fi
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}
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# Backup existing database if it exists
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backup_existing_db() {
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if [ -f "$DB_PATH" ]; then
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local backup_path="${DB_PATH}.backup.$(date +%Y%m%d_%H%M%S)"
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log_warning "Existing database found. Creating backup: $backup_path"
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cp "$DB_PATH" "$backup_path"
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fi
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}
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# Initialize the database with schema
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init_database() {
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log_info "Initializing database: $DB_PATH"
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if [ ! -f "$SCHEMA_FILE" ]; then
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log_error "Schema file not found: $SCHEMA_FILE"
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exit 1
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fi
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# Remove existing database if --force flag is used
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if [ "$1" = "--force" ] && [ -f "$DB_PATH" ]; then
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log_warning "Force flag detected. Removing existing database."
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rm -f "$DB_PATH"
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fi
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# Create the database and apply schema
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log_info "Applying schema from: $SCHEMA_FILE"
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if sqlite3 "$DB_PATH" < "$SCHEMA_FILE"; then
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log_success "Database schema applied successfully"
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else
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log_error "Failed to apply database schema"
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exit 1
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fi
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}
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# Verify database integrity
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verify_database() {
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log_info "Verifying database integrity..."
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# Check if database file exists and is not empty
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if [ ! -s "$DB_PATH" ]; then
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log_error "Database file is empty or doesn't exist"
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exit 1
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fi
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# Run SQLite integrity check
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local integrity_result=$(sqlite3 "$DB_PATH" "PRAGMA integrity_check;")
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if [ "$integrity_result" = "ok" ]; then
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log_success "Database integrity check passed"
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else
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log_error "Database integrity check failed: $integrity_result"
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exit 1
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fi
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# Verify schema version
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local schema_version=$(sqlite3 "$DB_PATH" "PRAGMA user_version;")
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log_info "Database schema version: $schema_version"
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# Check that main tables exist
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local table_count=$(sqlite3 "$DB_PATH" "SELECT count(*) FROM sqlite_master WHERE type='table' AND name IN ('event', 'tag');")
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if [ "$table_count" -eq 2 ]; then
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log_success "Core tables created successfully"
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else
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log_error "Missing core tables (expected 2, found $table_count)"
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exit 1
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fi
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}
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# Display database information
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show_db_info() {
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log_info "Database Information:"
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echo " Location: $DB_PATH"
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echo " Size: $(du -h "$DB_PATH" | cut -f1)"
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log_info "Database Tables:"
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sqlite3 "$DB_PATH" "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name;" | sed 's/^/ - /'
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log_info "Database Indexes:"
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sqlite3 "$DB_PATH" "SELECT name FROM sqlite_master WHERE type='index' AND name NOT LIKE 'sqlite_%' ORDER BY name;" | sed 's/^/ - /'
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log_info "Database Views:"
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sqlite3 "$DB_PATH" "SELECT name FROM sqlite_master WHERE type='view' ORDER BY name;" | sed 's/^/ - /'
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}
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# Run database optimization
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optimize_database() {
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log_info "Running database optimization..."
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sqlite3 "$DB_PATH" "PRAGMA optimize; VACUUM; ANALYZE;"
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log_success "Database optimization completed"
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}
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# Print usage information
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print_usage() {
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echo "Usage: $0 [OPTIONS]"
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echo ""
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echo "Initialize SQLite database for C Nostr Relay"
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echo ""
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echo "Options:"
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echo " --force Remove existing database before initialization"
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echo " --info Show database information after initialization"
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echo " --optimize Run database optimization after initialization"
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echo " --help Show this help message"
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echo ""
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echo "Examples:"
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echo " $0 # Initialize database (with backup if exists)"
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echo " $0 --force # Force reinitialize database"
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echo " $0 --info --optimize # Initialize with info and optimization"
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}
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# Main execution
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main() {
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local force_flag=false
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local show_info=false
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local optimize=false
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# Parse command line arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--force)
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force_flag=true
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shift
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;;
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--info)
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show_info=true
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shift
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;;
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--optimize)
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optimize=true
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shift
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;;
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--help)
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print_usage
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exit 0
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;;
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*)
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log_error "Unknown option: $1"
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print_usage
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exit 1
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;;
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esac
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done
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log_info "Starting C Nostr Relay database initialization..."
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# Execute initialization steps
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check_sqlite
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create_db_directory
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if [ "$force_flag" = false ]; then
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backup_existing_db
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fi
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if [ "$force_flag" = true ]; then
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init_database --force
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else
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init_database
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fi
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verify_database
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if [ "$optimize" = true ]; then
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optimize_database
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fi
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if [ "$show_info" = true ]; then
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show_db_info
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fi
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log_success "Database initialization completed successfully!"
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echo ""
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echo "Database ready at: $DB_PATH"
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echo "You can now start your C Nostr Relay application."
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}
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# Execute main function with all arguments
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main "$@"
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