Shell删除所有苹果证书

#!/bin/bash

expired=$(security find-identity)
if [ -z "$expired" ]    #-z判断字符串长度是否为0 为0返回true
then
    echo "No expired certificates, we're all good"
else
    echo "Deleting expired certs"
    for uuid in $expired
    do
        if [ ${#uuid} -eq 40 ]
        then
            security delete-certificate -Z $expired
        echo $uuid
        fi
    done
fi
exit 0