Terrible, terrible name.
Isn't this based on the assumption that one's shell explicitly supports ^L or has editline/readline support?
i.e., "c 128 A" -> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.
Pentesters! :)
$ jot -b test -c 3
test
test
test