this script simplify `mkdir` and `touch` and have clear state when create and removing file or directory

dirfile-create-open.sh

#!/bin/bash

# Function to print usage information
print_usage() {
  echo "Usage: $0 [-O|--open] <file_path>"
}

# Check if an argument was provided
if [ $# -eq 0 ]; then
  print_usage
  exit 1
fi

# Initialize variables
open_file=false

# Option parsing loop
while [[ "$#" -gt 0 ]]; do
  case "$1" in
    -O | --open) open_file=true ;;
    --) break ;; # End of options
    -*)
      echo "Error: Unknown option '$1'"
      print_usage
      exit 1
      ;;
    *) filepath="$1" ;;
  esac
  shift
done

# Check if the filepath is empty
if [ -z "$filepath" ]; then
  echo "Error: File path cannot be empty."
  print_usage
  exit 1
fi

# Check if the file already exists
if [ -e "$filepath" ]; then
  echo "Error: The file '$filepath' already exists."
  exit 1
fi

# Create the directory if it doesn't exist
mkdir -p "$(dirname "$filepath")"

# Create the file
touch "$filepath"

# Display success message
echo "File '$filepath' created successfully."

# Open the file in Neovim if the "--open" option is present
if [ "$open_file" = true ]; then
  nvim "$filepath"
fi