#!/usr/bin/perl use strict;use warnings; use IO::Socket::INET;use IO::Handle; if ($#ARGV <> die "Argument should be an integer port number\n";} elsif ($ARGV[0] =~ /\D+/) { die "Argument should be an integer port number\n";} my $Port = $ARGV[0]; my $MySocket = new IO::Socket::INET->new( LocalPort => $Port, Proto => 'udp') or die "Error opening UDP port $Port $!\n"; print "\nListening on UDP port $Port ...\n\n"; my $MsgText; open(FILE, ">>udpserver.txt") or die "Error opening udpserver.txt file $!\n";FILE->autoflush(1);$MySocket->autoflush(); my $count = 1;while ($MySocket->recv($MsgText, 4096)) { print "$count <$MsgText>\n"; print FILE "$count <$MsgText>\n"; $count++;} close(FILE); __END__
posted by J. Ernesto Aneiros at 2:02 PM on Jul 10, 2009
"UDP server in Perl"
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