Re: Iteration condition...

[stiller]

Update: Moritz is right, it does something else entirely. rhesa's flipflop is a good solution

for(@Input) {
    do_this($_) and next if /$Start/;
    do_that($_)          if /$Finish/; 
}

[moritz]

That's different from the original in that it doesn't do the same as the previous iteration if there is no match at all.