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Description: ActiveRecord plugin for automatically converting fields to permalinks.
Clone URL: git://github.com/technoweenie/permalink_fu.git
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Turn "fööbär" into "foobar", not "f-o-ob-ar". As a desired side-effect, "fo
o!!1" becomes "foo1" rather than "foo-1".

This is under OS X, by the way. I believe iconv can behave slightly 
differently on different platforms.
henrik (author)
Thu May 22 08:39:22 -0700 2008
commit  c5cd3ada8c5def22bb38175d01412ed442b51a50
tree    b8a8a43ab271c8bc96c82ecadd5d362010b7c5bb
parent  56121670fcc3bc3a62827762628b4ba88f4caa46
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lib/permalink_fu.rb 
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@@ -12,10 +12,10 @@ module PermalinkFu
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     def escape(str)
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       s = ((translation_to && translation_from) ? Iconv.iconv(translation_to, translation_from, str) : str).to_s
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-      s.gsub!(/\W+/, ' ') # all non-word chars to spaces
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+      s.gsub!(/[^\w -]+/, '') # strip unwanted characters
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       s.strip!            # ohh la la
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       s.downcase!         #
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-      s.gsub!(/\ +/, '-') # spaces to dashes, preferred separator char everywhere
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+      s.gsub!(/[ -]+/, '-') # separate by single dashes
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       s
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     end
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   end
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test/permalink_fu_test.rb 
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@@ -132,10 +132,11 @@ end
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 class PermalinkFuTest < Test::Unit::TestCase
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   @@samples = {
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-    'This IS a Tripped out title!!.!1  (well/ not really)' => 'this-is-a-tripped-out-title-1-well-not-really',
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+    'This IS a Tripped out title!!.!1  (well/ not really)' => 'this-is-a-tripped-out-title1-well-not-really',
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     '////// meph1sto r0x ! \\\\\\' => 'meph1sto-r0x',
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     'āčēģīķļņū' => 'acegiklnu',
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-    '中文測試 chinese text' => 'chinese-text'
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+    '中文測試 chinese text' => 'chinese-text',
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+    'fööbär' => 'foobar'
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   }
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   @@extra = { 'some-)()()-ExtRa!/// .data==?>    to \/\/test' => 'some-extra-data-to-test' }

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