calling an invocation argument from @ARGV

From: Christopher Spears (cspears2002_at_yahoo.com)
Date: 02/25/05 

Date: Fri, 25 Feb 2005 09:39:05 -0800 (PST)
To: beginners@perl.org

I'm trying to automate g++ through a Perl script.
Here is what I have written so far:

#!/bin/perl -w
use strict;

my $counter;
$counter = 0;

for (my $i = 0; $i < @ARGV; $i++) {
    $counter++;
}

if ($counter == 0) {
    print "Not enough arguments!";
    print "Usage: ./cedit somefile.C++";
    print "Usage (optional): ./cedit somefile.C++
outputfile";
} elsif ($counter == 1) {
    system "g++", (first invocation argument);

How do I call individual arguments from the @ARGV
array? Basically, the usage of the script (called
cedit) is:

$./cedit somefile.C++

or

$./cedit somefile.C++ outputfile

The first argument is the .C++ file to be compiled,
and the second argument is the name of the .exe file.

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