in reply to what is this doing? - while (wait() != -1)

It's the return value from wait(). :-)

------
We are the carpenters and bricklayers of the Information Age.

Don't go borrowing trouble. For programmers, this means Worry only about what you need to implement.

  • Comment on Re: what is this doing? - while (wait() != -1)

In Section Seekers of Perl Wisdom