[kazinator]

That appalled user would have a heart attack at Awk, a language in which a previously unseen variable serves as zero or an empty string.

   count++    # if count doesn't exist, it becomes 1

A previously unseen array reference materializes automatically too:

   count[$1]++

(I think this is garbage too, but it leads to throwaway programs that are very concise. If you write anything large, it's going to bite you on the butt:

   mispelled[foo] += bar; # wee