# 结果就挺奇怪的 [root@localhost tests]# md5sum 1 c3be117041a113540deb0ff532b19543 1 [root@localhost tests]# echo `md5sum 1` c3be117041a113540deb0ff532b19543 1 [root@localhost tests]# echo "`md5sum 1`" c3be117041a113540deb0ff532b19543 1
