Wildcard domain for local development using Apache Mod Rewrite

sub2path.pl

#!/usr/bin/perl

###
# Sub2Path is a little script which convert a url with subdomains to a path
#
# To be used with Apache ModRewrite RewriteMap found: http://goo.gl/8WUvm
# Follow the conversation at: http://goo.gl/Mzc5E
# Props to 42foo.com: http://goo.gl/mut77
#
# MIT license
##

$| = 1; # Turn off I/O buffering
while (<STDIN>) {
	s/(^|\.)[^\.]+\.[^\.\s]+(\s*)$//g; # Remove tail (ie. go.dev)
	my @path = reverse(split(/\./, $_)); # Reverse order of subdomain
	print '/' . join('/', @path) . '/' . $2; # Join with /
}

wildcard.conf

# Only if not already defined
NameVirtualHost *:80
RewriteLock /tmp/apache2_lock

<VirtualHost *:80>
        ServerName 42foo.com
        ServerAlias *.42foo.com
        ServerAdmin webmaster@42foo.com
        DocumentRoot /Users/Ryan/Projects

        LogFormat "%h %l %u %t \"%r\" %>s %b" common
        CustomLog /opt/local/apache2/logs/access_log common

        <Directory /Users/Ryan/Projects/>
                Options Indexes FollowSymLinks
                AllowOverride AuthConfig FileInfo

                Order allow,deny
                Allow from all
        </Directory>

        RewriteEngine on

        # Handle missing favicons
        Redirect 404 /favicon.ico
        <Location /favicon.ico>
                ErrorDocument 404 "No favicon"
        </Location>

        RewriteMap sub2path prg:/opt/local/apache2/conf/extra-available/sub2path.pl
        RewriteCond %{HTTP_HOST} 42foo\.com$
        # Not sure if this is needed
        # RewriteCond ${sub2path:%{HTTP_HOST}} -d
        RewriteRule ^(.*) /${sub2path:%{HTTP_HOST}}/$1 [L]

</VirtualHost>

Change Log:

Added a beginning slash due to issues with some javascript files not loading.