기초강좌 [sed] 여러 공백은 한 한개의 공백으로 줄이기
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[[email protected] ~]# php -v
PHP 5.2.6AnNyung-51928 (cli) (built: Jul 8 2010 23:28:08)
Copyright (c) 1997-2008 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies
with Zend Optimizer v3.3.0, Copyright (c) 1998-2007, by Zend Technologies
[[email protected] ~]# php -v | sed -re 's/[ ]{1,}/ /g'
PHP 5.2.6AnNyung-51928 (cli) (built: Jul 8 2010 23:28:08)
Copyright (c) 1997-2008 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies
with Zend Optimizer v3.3.0, Copyright (c) 1998-2007, by Zend Technologies
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