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                       An iEntry.com Mailing
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    DevWebProCA - Automatically Pushing To A New URL Made Simpler  
                          June 11, 2007
                    http://www.DevWebProCA.com

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Automatically Pushing To A New URL Made Simpler 
Raymond Camden | Expert Author

When I was preparing to move my site from: 

http://ray.camdenfamily.com 

to 

http://www.coldfusionjedi.com

I certainly didn't want all of my old URLs to stop working.

I wrote some quick code (literally, I forgot to write the code 
before hand so I wrote it live on the old server) to handle this.

Here is what I did...

First off - I read Pete Freitag's excellent blog post, What 
CFLOCATION Does, where he talks about how the status code sent out 
by CFLOCATION is intended for temporary move, not a permanent one. 
Using the code he suggested, I added a cfheader to my site. However, 
I have two styles of URLs. I have both traditional query_string 
style:

http://ray.camdenfamily.com/index.cfm?mode=entry&entry=XXXX

And my SEO style cgi.path_info style:

http://ray.camdenfamily.com/index.cfm/noone/reads/code/samples

So I needed code to notice either of these two forms. This is what 
I came up with:

<code>
<cfset loc = cgi.script_name>
<cfif len(cgi.query_string)>
  <cfset loc = loc & "?" & cgi.query_string>
<cfelseif len(cgi.path_info)>
&nbps; <cfset loc = loc & cgi.path_info>
</cfif>
<cfset loc = replaceNoCase(loc,"index.cfm/index.cfm","index.cfm")>

<cfheader statuscode="301" statustext="Moved Permanently">
<cfheader name="Location" value="http://www.coldfusionjedi.com#loc#">
<cfabort>
</code>

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As you can see - I check both cgi.query_string and cgi.path_info.

Depending on what is used, I build up my new URL in a variable 
called loc. I can then push the user there using the two cfheader 
tags.

Now how does ColdFusion 8 make this easier? The cflocation tag has 
been updated to allow you to pass in a status code.

There is a set of valid status codes, of which 301 is one of them.

The two tags above would become one. (Actually I'd be able to get 
rid of the cfabort as well.) 

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About the Author:

Raymond Camden is Vice President of Technology for roundpeg, Inc. A 
long time ColdFusion user, Raymond has worked on numerous ColdFusion 
books and is the creator of many of the most popular ColdFusion 
community web sites. He is an Adobe Community Expert, user group 
manager, and the proud father of three little bundles of joy.

http://ray.camdenfamily.com
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