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Pastable version of Refactor array of hashes

<pre class='prettyprint' language='ruby'># Array of LDAP group names @group_names = [] # Query the server (ldap holds a valid connection to the server @groups = ldap.get_groups(&quot;DC=example,DC=com&quot;) # @groups contains an array of hashes. All I need is the cn attribute. @groups.select {|group| @group_names &lt;&lt; group[:cn] } # I now have an array of arrays, so I flatten into a single dimension array @group_names.flatten!</pre> <a href="http://www.refactormycode.com/codes/1389-refactor-array-of-hashes" style="color:#fff" title="As seen on RefactorMyCode.com"><img alt="Small_logo" src="http://www.refactormycode.com/images/small_logo.gif" style="border:0" /></a>