Parse Command Line Options with `getopts`

#!/bin/bash

# Default values
VERBOSE=0
ENVIRONMENT="development"
CONFIG_PATH="/etc/app/config.conf"

# Usage function
usage() {
  echo "Usage: $0 [-v] [-e <environment>] [-c <config_path>]"
  echo "  -v: Enable verbose output."
  echo "  -e: Specify environment (e.g., development, staging, production). Default: development."
  echo "  -c: Path to the configuration file. Default: /etc/app/config.conf."
  exit 1
}

# Parse options
while getopts "ve:c:" opt; do
  case "${opt}" in
    v)
      VERBOSE=1
      ;;
    e)
      ENVIRONMENT=${OPTARG}
      ;;
    c)
      CONFIG_PATH=${OPTARG}
      ;;
    *)
      usage
      ;;
  esac
done

# Shift arguments so that remaining non-option arguments can be accessed
shift $((OPTIND-1))

# Example: Process remaining arguments if any
if [ -n "$1" ]; then
  echo "Remaining argument: $1"
fi

# Output parsed values
echo "--- Script Configuration ---"
echo "Verbose: $VERBOSE"
echo "Environment: $ENVIRONMENT"
echo "Config Path: $CONFIG_PATH"
echo "----------------------------"

# Your script logic would go here, using the parsed variables.
if [ "$VERBOSE" -eq 1 ]; then
  echo "Verbose mode enabled for detailed operations."
fi
# Example: Perform actions based on environment
# if [ "$ENVIRONMENT" == "production" ]; then
#   echo "Running in production mode."
# fi