dance

#!/usr/bin/env bash

howlong="$1"

printhead() {
  if [ "$1" == "0" ]; then
    echo "\o/"
  elif [ "$1" == "1" ]; then
    echo "\o|"
  elif [ "$1" == "2" ]; then
    echo "|o|"
  elif [ "$1" == "3" ]; then
    echo "|o/"
  else
    echo "|o|"
  fi
}

printbody() {
  echo " | "
}

printlegs() {
  if [ "$1" == "0" ]; then
    echo "/ \ "
  elif [ "$1" == "1" ]; then
    echo "| \ "
  elif [ "$1" == "2" ]; then
    echo "| | "
  elif [ "$1" == "3" ]; then
    echo "/ | "
  else
    echo "| | "
  fi
}

printman() {
  printhead "0"
  printbody
  printlegs "0"
}

danceman() {
  for iterator in 1 2 3 0
  do
    sleep 0.2
    printf "\033[3A"
    printf "\033[K"
    printhead "$iterator"
    printf "\033[K"
    printbody
    printf "\033[K"
    printlegs "$iterator"
  done
}

main() {
  printman "0"
  if [ "$1" == "" ]; then
    danceman
  elif [ "$1" == "forever" ]; then
    while true; do
      danceman
    done
  else
    for (( c=1; c<="$1"; c++ ))
    do  
      danceman
    done
  fi
}

main "$howlong"