I used the following code but there is a problem with the flock package - 
Usage: Fcntl::constant(name, arg) at Fcntl.pm line 225.

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 The Fcntl module that I am using does not have any "usage" messages in it however the Tie::File module does. Which version of the Tie::File module are you using? You can find out like this: 
$ perl -MTie::File -le'print $Tie::File::VERSION'
0.97

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If the Fcntl module does not work you could go back to using: 
my $LOCK_EX = 2;

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And change all occurances of LOCK_EX to $LOCK_EX.

Also, to get the hostname you could use the Sys::Hostname module: 

use Sys::Hostname;

my $hostname = hostname;

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And to get a formatted date you could use the POSIX module: 
use POSIX 'strftime';

my $date = strftime '%y%m%d%H%M%S', localtime;

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In reply to Re^3: mkfifo/mknode by jwkrahn
in thread mkfifo/mknode by azaria

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