shell命令一行代码搞定

黑狼

查看文件内容－while：
cat 1.txt|while read line;do echo $line;done
while read line; do echo $line; done  /dev/null && echo ${ip} is Alive;done
for ip in `cat iplist`;do scp config/${ip}.conf $ip:/home/shell/;done
for x in `cat 1.txt`; do echo $x;mkdir dir{0..2}{0..2}_$x; done
for i in `cat iplistr.ip`; do echo $i; ssh $i "supervisorctl start nginx";done
mysql相关:

socket=`ps -ef|grep mysql|grep -v grep|grep sock|awk 'BEGIN{FS = "--"}{for (f=1; f