argument._lengthsh

    #!/bin/bash
    # This is a script that validate the length of arguments
    
    if [ $# -lt 3 ]; then
      cat <<- EOM
        this command requies three arguments:
        username, userid, and favorite number.
      EOM
    else
      # Program goes here
      echo "Username: $1"
      echo "UserID: $2"
      echo "Favorite Number: $3" 
    fi

options.sh

#!/bin/bash
# This is simple bash script

select animal in "cat" "dog" "bird" "fish"
do
  echo "You selected $anima"
  break
done