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Every link has two ends - fixing 404s at the recipient

"They have printed the wrong link." Thus starts a frustrated post on the Save the Train web site, worried that a link in the local newspaper to our support pledge page ends up at a "404". And, yes, they have dropped the newspaper a line too, hoping to catch them before the online edition goes "printed".

But every link has two ends ... and since the error in the URL still leaves the URL pointing to our server, and just the wrong place on it, a very short mod_rewrite request means that the paper's site is now pointing at the correct place - in addition to the URL that everyone else is using.

-bash-2.05b$ cat .htaccess
RewriteEngine On
RewriteRule pledge$ pledge.html
-bash-2.05b$


So that's /pledge linked to /pledge.html

It's not the first time I've done this "trick" and indeed, given a substantial number of erroneous follows, I can sometimes spot such things in our log analyses. In this case we caught it very early, though!
(written 2008-04-02, updated 2008-04-03)

 
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Automating processes through Expect
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Cambidge - Tcl, Expect and Perl courses
Fresher tutor, better course
Every link has two ends - fixing 404s at the recipient
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Selling curry to the chinese takeaway
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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