http://www.perlmonks.org?node_id=282334


in reply to Re: Time-limited input on STDIN
in thread Time-limited input on STDIN

You should use alarm(0) after the entry of data to turn off the alarm. Ottherwise, your program will be alarm'd even though you entered text in the allowed amount of time. See perldoc -f alarm for details.

--Bob Niederman, http://bob-n.com