#!/bin/bash

# Ask the user for his/her choice
echo "Do you want to count unique words case sensitively? (Y/N)"
read -r answer

# Convert the answer to lowercase to handle both cases
answer=$(echo "$answer" | tr '[:upper:]' '[:lower:]')

# Execute the appropriate command based on user input
if [[ "$answer" == "y" ]]; then
    # Case-sensitive counting
    echo "Counting unique words case sensitively..."
    cat task_input.sh | awk '{$1=$1; print}' | sort | uniq -c | awk '{print $2, $1}' | sort
else
    # Case-insensitive counting
    echo "Counting unique words case insensitively..."
    cat task_input.sh | tr '[:upper:]' '[:lower:]' | awk '{$1=$1; print}' | sort | uniq -c | awk '{print $2, $1}'
fi