I have a question about a working piece of code. I have used a bunch of foreach and while statements to get the result I need but it just looks ugly and I'm sure there is a better way of doing it.
Any tips on efficiency and/or style would be great. 
#!/usr/bin/perl -w
use strict;

my(@tcpstatus,@tcpalive,$date,$line);
my($ftp,$www,$ssh,$irc);

$date = `date +"%l:%M:%S"`;
$ftp = 0;
$www = 0;
$ssh = 0;
$irc = 0;
@tcpalive = ();

############################
# get current tcp status   #
############################

@tcpstatus = `cat /proc/net/tcp`;


############################
# grab only the ones that  #
# are marked "Active" (01) #
# and put them into new    #
# array                    #
############################

foreach (@tcpstatus) {
    while (/\b01\s/) {
        push(@tcpalive,$_);
        last;
    }
}

############################
# ugly. I know there has   #
# got to be a better way   #
# to get this done.  Step  #
# through new array and    #
# add how many times each  #
# service is found         #
############################


foreach (@tcpalive) {
    while (/:0050\s/) {
        $www++;
        last;
    }
}

foreach (@tcpalive) {
        while (/:0016\s/) {
                $ssh++;
                last;
        }
}

foreach (@tcpalive) {
        while (/:1A0B\s/) {
                $irc++;
                last;
        }
}

foreach (@tcpalive) {
        while (/:0015\s/) {
                $ftp++;
                last;
        }
}


############################
# print this out to a file #
# used for server side     #
# includes                 #
############################

open (FILE, "+>/var/www/web/main.txt");
print FILE "There are $www web, $ftp ftp, $ssh ssh, and $irc irc conne
+ctions to this server
as of $date\n";
close FILE;

[download]


Thanks,
djw

In reply to efficiency & style by djw

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