Webmaster Forum / Perl / Getting Started / May 2004

Hi,
I need some good links for understanding socket programming (Client /
Server programming).
I have written some scripts for multiple clients and a server (Forking

I found the source of the "impossible error".  Here are the lines that
caused it:
    my $userList = new UserList($userFile);
    my $user = UserList->GetUser($logname);

Just say I have a module name as test.pm in a file. How do I ask perl to use that test.pm in my perl script?
I know that it has something include .... Within the perl script itself but I just forget where I seen it before.
Thank you & best regards,
ABC

I want to use perl to do the matrix solving such as matrix inversion and and matrix multiplication, matrix addition and matrix substraction. However, i have no idea how to do it in perl. Any there anyone who can give me some suggestion how to solve this?
Thank you & best regards,

I have some data that is pipe-delimited, that I would like to sort
on the first column (numeric).  The data looks like this:
173|Supertramp|The Very Best of Supertramp
19|Story, Liz|My Foolish Heart

I'm not sure if ">>" is an official operator in Perl but I have seen
">>" used in conjunction with
HTML code or Long Strings.
a google search and perldoc doesn't return any useful information.

Afternoon all, I'm trying to write a class for configuration values for
different sites so that they can use the same conf class, then create an
object and get whatever value they need.
The problem I have this:

  I am trying to remove from file :
       1. all characters but any alphabet and numbers.
       2. all trailing spaces should be made to one space.
  following code doesnt seem to work for objective [1] mentioned above. Can anyone please point out why ?

 I am trying to remove from file :
      1. all characters but any alphabet and numbers (i.e., file shd not contain anything
         but "alphabets and numbers" that means NO punctuation etc...
      2. all trailing spaces should be made to one space.

I'm trying to write a regex to parse the following data. Each group is a string
to parse.
<td class="f3" colspan="2" width="48">05/28/04</td>
<td class="f3" colspan="2" width="60"></td>

I am trying to set up a script that will do the do a current time -1
routine.
Examples:
Current Time:

I am writing a program to parse a CSV file downloaded from my bank. I have it
keep a running balance, but I'm getting a weird total. Apparently, -457.16 +
460.93 = 3.76999999999998. But when 20 is subtracted from that, I get -16.23.
There are no weird numbers like that in my ...

May I know what is the maximum number of data that I can stored within an array? It seems that if the number of data exist 265, then it will be miss already or it is due to memory problem?
Thank you & best regards,
ABC

I have this program where I am trying to ftp a file from one machine to
another.
so code somewhat looks like this:
$ftp = Net::FTP->new(host, (Debug => 1, Timeout =>600, Passive =>1));

more help please!  I looked through my Learning Perl book and only see
code >>filename for appending to a file.  Here is my code but it is not
writing to STDOUT designated as my file.
       my $foreigntapes="/usr/local/log/foreign_tapes.log";