Brian Shoemaker writes .. >Starting very soon, we'll be changing from Linux to NT. > >Currently, at the beginning of programs I use the following >use Fcntl qw(:flock); >then later in the scripts I use >flock(FILE, LOCK_EX); > >The Perl 5 book I have says flock function doesn't work in >Windows systems. that's no longer accurate for all versions of Perl and Windows .. since (I think) 5.005 flock has worked on WinNT based systems (still no go on Win9x) so if you're on WinNT then use flock as normal .. otherwise I'm not aware of any other real options -- jason king In South Carolina, merchandise may not be sold within a half mile of a church unless fruit is being sold. - http://dumblaws.com/