shell 判断操作系统

脚本

判断子字符串包含关系： =~ 

a=`cat /proc/version`

 

b="arwin"

c="entos"

d="buntu"

 

if [[ $a =~ $b ]];then

echo "mac"

elif [[ $a =~ $c ]];then

echo "centos"

elif [[ $a =~ $d ]];then

echo "ubuntu"

else

echo $a

fi