something involving division and possibly case

gistfile1.txt

#!/usr/bin/bash
for x in {1..100}
do if (( $x % 3 == 0)) && (( $x % 5 == 0 ))
          then echo fizzbuzz
     elif (( $x % 3 == 0 ))
           then echo fizz
     elif (( $x % 5 == 0 ))
           then echo buzz
     else echo "$x"
     fi
done