2 more examples for random
{{ score }} 
  # Generate a random integer between 0 and 100, inclusive
echo $[ ( $RANDOM % 101 ) ]

# Generate either a 0 or 1
echo $[ ( $RANDOM % 2 ) ]

# Generate an integer from 1 to 10
echo $[ ( $RANDOM % 10 ) + 1 ]

# Generate a random integer from 1 to 10 without $RANDOM if it is not available
grep -m1 -ao '[0-9]' /dev/urandom | sed s/0/10/ | head -n1
  Submitted by anonymous user almost 8 years ago [permalink]