next [expression]

next is like the continue statement in C; it starts the next iteration of an enclosing loop. The command may be used with an optional argument evaluating to a positive integer number indicating which level of the nested loops should be restarted. If the argument is omitted, it defaults to 1, i.e. the innermost loop.

Using this command outside a loop causes an immediate run-time error.

foreach, while, iterate, redo, last, prev