把/usr/local/apache/conf下的所有conf的文件内容里含有【/usr/local/apache/htdocs】，改为【/data/wwwroot】。具体操作如下：
#sed -i “s/\/usr\/local\/apache\/htdocs/\/data\/wwwroot\/g” `find . -name “*.conf” | xargs grep “/usr/local/apache/htdocs” -rl`
或者
#find . -type f -exec sed -i ‘s#/usr/local/apache/htdocs#/data/wwwroot#g’ {} \;
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