grep 匹配整行php代码

以下是在命令行的执行结果


[root@openvpn-server models]# sed -n '83,158 p ' /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php |egrep "[$]search = [$]this->getUserStateFromRequest\([$]this->context . '.filter.search', 'filter_search'\)"
        $search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');


[root@openvpn-server models]# sed -n '83,158 p ' /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php |egrep "[$]forcedLanguage = [$]app->input->get\('forcedLanguage', '', 'cmd'\)"
        $forcedLanguage = $app->input->get('forcedLanguage', '', 'cmd');



[root@openvpn-server models]# sed -n '83,158 p ' /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php |egrep "if \([$]formSubmited\)"
        if ($formSubmited)


[root@openvpn-server models]# sed -n '83,158 p ' /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php |egrep "[$]this->setState\('filter.forcedLanguage', [$]forcedLanguage\);"
            $this->setState('filter.forcedLanguage', $forcedLanguage);


[root@openvpn-server models]# sed -n '83,158 p ' /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php |egrep "parent::populateState\([$]ordering, [$]direction\)"
        parent::populateState($ordering, $direction);


[root@openvpn-server models]# cat /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php|grep "[[]'filter_fields'[]][[][]] = 'association';"
                $config['filter_fields'][] = 'association';


[root@openvpn-server models]# cat /home/Joomla_3.8.1_full/administrator/components/com_content/models/articles.php|grep "[$]config[[][']filter_fields['][]][[][]] = 'association';"
                $config['filter_fields'][] = 'association';


1. 遇到$, [, ], 左右单引号,<, > 都可以用[] 括起来

2. ( ，)，？ 用\ 转义

3.其他PHP符号如 -> ::  .  '' 原样输入即可

4. 在脚本里 遇到 '',  '.'  不能匹配，但在命令行可以匹配

5. 在脚本中，变量传递参数的示例：

#subkeyname="[$]config[[][']filter_fields['][]][[][]] = [']association[']"              匹配模式两侧必须加“”

#subkeyname="[$]this->context .= '.' . [$]forcedLanguage;"                匹配模式两侧必须加“”

#subkeyname="[$]forcedLanguage = [$]app->input->get\('forcedLanguage', '', 'cmd'\);"    匹配模式两侧必须加“”        


cat articles.php | grep -En "$subkeyname"                        变量名两侧必须加“”

=======================================================================================

以下是在脚本里的示例：

1. 检测包含$, [, ]
#cat articles.php | grep -E "[$]config[[][']filter_fields['][]][[][]] = [']association[']"

2. 检测包含::, __, (, )
#cat articles.php | grep -E "parent::__construct\([$]config\)"

3. 检测包含 ())
#cat articles.php | grep -E "[$]app = JFactory::getApplication\(\)"

4. 检测包含 '单词', '单词'
#cat articles.php | grep -E "'rating_count', 'rating'"

5. 检测包含 空格
#cat articles.php | grep -E "if \(JLanguageAssociations::isEnabled\(\)\)"

6. 检测包含 ;  [, ]
#cat articles.php | grep -E "[$]config[[]'filter_fields'[]][[][]] = 'association';"

7. 检测包含 ->
#cat articles.php | grep -E "[$]forcedLanguage = [$]app->input->get\('forcedLanguage',"

8. 检测包含 ('单词'))
#cat articles.php | grep -E "if \([$]layout = [$]app->input->get\('layout'\)\)"

9. 检测包含 '.单词'
#cat articles.php | grep -E "[$]search = [$]this->getUserStateFromRequest\([$]this->context . '.filter.search', 'filter_search'\);"
#cat articles.php | grep -E "[$]id .= ':' . [$]this->getState\('filter.search'\);"

10. 检测包含 连线空格
#cat articles.php | grep -E "[$]db    = [$]this->getDbo\(\);"

11. 检测包含 单独句点 .
#cat articles.php | grep -E "', a.state, a.access, a.created, a.created_by, a.created_by_alias, a.modified, a.ordering, a.featured, a.language, a.hits' ."


12. 在脚本里不匹配的示例：

#cat articles.php | grep -E "[$]id .= ':' . [$]this->getState\('filter.search'\);"

原行： $forcedLanguage = $app->input->get('forcedLanguage', '', 'cmd');

这一行也无法匹配：
$this->context .= '.' . $forcedLanguage;  

脚本执行报错如下
grep '[$]this->context .= '\''.'\'' . [$]forcedLanguage'
在脚本中执行时，自动在 '  两侧加入了'\'