使用sed删除注释项和空格

admin

# cat /etc/neutron/neutron.conf |sed s/^" "*//g |sed /^$/d |sed /^#/d

rui

sed去除注释行：sed -i -c -e '/^#/d' config_file
1 G/ l, A6 O4 b% q* }! ?. U8 Ssed去除空行： sed -i -c -e '/^$/d' config_file
% X! U) X" T( d( qsed去空行和注释行：sed -i -c -e '/^$/d;/^#/' config_file
" c' @! E* V0 R' {$ o! b% V$ D* V" Y

admin

#sed -i "/Listen 80/s/Listen 80/Listen $aip:80/g" /etc/httpd/conf/httpd.conf