NATO Alphabet Tester: Test how quickly you can recite the NATO alphabet in random order!

!nato.sh

#!/bin/bash

# Function to shuffle and display the alphabet in uppercase
shuffle_alphabet() {
  echo {A..Z} | tr ' ' '\n' | shuf | tr '\n' ' '
  echo
}

while true; do
  # Prompt the user to begin
  echo "Press Enter to begin a trial. Or press 'q' then Enter to quit."
  read -r input
  if [[ "$input" == "q" ]]; then
    break
  fi

  # Record the start time
  start_time=$(date +%s.%N)

  # Shuffle and display the alphabet
  echo "Recite:"
  shuffle_alphabet

  # Prompt the user to stop timing
  echo
  echo "Press Enter to finish."
  read -r # Wait for the second Enter press

  # Record the end time
  end_time=$(date +%s.%N)

  # Calculate the time difference
  elapsed_time=$(echo "$end_time - $start_time" | bc)

  # Display the elapsed time
  echo "Time elapsed: ${elapsed_time} seconds"
  echo
  echo "-------------------------------------"
  echo
done

LICENSE

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