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Controlling Case

Problem

You need to convert a string to all uppercase or all lowercase.

Solution

Use httpd_util:to_upper or httpd_util:to_lower from the OTP httpd_util module. (Yes, I know that these would make more sense in the string module!) 

1> httpd_util:to_upper("hello").
"HELLO"
2> httpd_util:to_lower("ERLANG").
"erlang"

Discussion

The httpd_util module contains a dog's breakfast of functionality that probably belong in other modules, but that have not been added due to backwards-compatibility concerns.

-- BrentAFulgham - 20 Aug 2004

CookbookForm
TopicType: Recipe
ParentTopic: StringRecipes
TopicOrder: 090

 
 
Current Rev: r1.2 - 04 Jan 2007 - 15:10 GMT - JeromeSautret, Revision History:Diffs | r1.3 | > | r1.2 | > | r1.1
Copyright © 2004 by the contributing authors. All material on the Erlang Cookbook web site is the property of the contributing authors.
This material can be redistributed and/or modified under the terms of the GNU Lesser General Public License (LGPL), version 2.1, as published by the Free Software Foundation.
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