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.htaccess redirect question

Posted on 2006-10-26
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Last Modified: 2010-03-04
I am trying to redirect this page:

/gallery/index.php?list=1 to /gallery1.php

I tried this code in my .htaccess file but it does not work:

Redirect /gallery/index.php?list=1 http://www.sitename.com/gallery1.php

I am fairly sure .htaccess does not understand the “?list=1” part.

Any way around this?
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Question by:danomatic
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LVL 43

Expert Comment

by:ravenpl
ID: 17817952
Redirect does not work on query strings, so You can only
Redirect /gallery/index.php http://www.sitename.com/gallery1.php

But You caould use mod_rewrite and match against QUERY_STRING
To learn mod_rewrite http://www.google.com/search?q=mod_rewrite+howto
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Expert Comment

by:periwinkle
ID: 17818404
ravenpl is correct - you must use mod_rewrite.  Assuming that mod_rewrite has been compiled into your version of Apache, you'd use something to the effect of the following in your .htaccess file:

RewriteEngine On
RewriteRule ^/gallery/index\.php?list=([0-9]+) http://www.sitename/gallery$1.php
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LVL 43

Expert Comment

by:ravenpl
ID: 17818430
> RewriteRule ^/gallery/index\.php?list=([0-9]+) http://www.sitename/gallery$1.php
Wrong! I also pointed out, that during rewrite one have to match against QUERY_STRING. RewriteRule does not take query string into account as well.

RewriteEngine On
RewriteCond %{QUERY_STRING} ^list=([0-9]+)$
RewriteRule ^/gallery/index\.php http://www.sitename/gallery%1.php
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Expert Comment

by:periwinkle
ID: 17818547
One more cup of coffee for me, please - thanks for correcting my mistake!
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Author Comment

by:danomatic
ID: 17820345
ravenpl: I tried your code but it does not work.  What is the "%" in gallery%1.php
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Expert Comment

by:periwinkle
ID: 17820379
danomatic - possibly a typo - try:

RewriteEngine On
RewriteCond %{QUERY_STRING} ^list=([0-9]+)$
RewriteRule ^/gallery/index\.php http://www.sitename/gallery$1.php
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Accepted Solution

by:
ravenpl earned 300 total points
ID: 17820436
> RewriteRule ^/gallery/index\.php http://www.sitename/gallery$1.php
In such line $1 refers to nothing [as no match with () was done]
But %1 refers to first () match in most recent RewriteCond statement
Refer http://httpd.apache.org/docs/2.0/mod/mod_rewrite.html#rewritecond
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LVL 15

Expert Comment

by:periwinkle
ID: 17821168
thanks, Ravenpl - I'm 0 for 2, and apologize if I've added to any confusion.   As you may have guessed, my experience in mod_rewrite has been a bit, umm, rudimentary at this point.  

danomatic - any more information about what is possibly going wrong in the error_log/access_log that might help ravenpl diagnose the problem?
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Assisted Solution

by:HackneyCab
HackneyCab earned 100 total points
ID: 17821763
The only thing I can see wrong with ravenpl's code is that he's used an absolute path (starts with a forward slash) in the match pattern. And .htaccess doesn't allow such a thing.

Try this to replace that last line of his code:

RewriteRule ^gallery/index\.php$ http://www.sitename/gallery%1.php
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LVL 43

Expert Comment

by:ravenpl
ID: 17821882
Right - my typo. Sorry  - I was copy-paste from question :(
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LVL 15

Expert Comment

by:periwinkle
ID: 17821897
And I'll take credit for that mistake, too. Ugh.
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LVL 3

Author Comment

by:danomatic
ID: 17916721
ok, I am still working on this, have not forgotten about it.
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