标签：re shell print c ie grep
group=`cat config.properties | grep -v "^$" | grep -v "^#" | awk -F "." ‘!($1 in a){a[$1];print $1}‘`
shell 去重,布布扣,bubuko.com
shell 去重
原文地址：http://www.cnblogs.com/blachie/p/3819552.html
