Count how many vowels and consonants occur in a string: Difference between revisions

# returns the 0-based index of the upper case letter c in the alphabet #

# or -1 if c is not a letter #

IF c >= "A" AND c <= "Z" THEN ABS c - ABS "A" ELIF c >= "a" AND c <= "z" THEN ABS c - ABS "a" ELSE -1 FI;

# prints the counts of vowels and consonants in s #