It seems that the latest builds are no longer including xmlstarlet because it isn't in the CentOS repositories, but it was in the Fedora repositories.
The tool is in the EPEL repositories, so one fix is to do the following:
yum install -y epel-release && yum install -y xmlstarlet
It seems that the latest builds are no longer including xmlstarlet because it isn't in the CentOS repositories, but it was in the Fedora repositories.
The tool is in the EPEL repositories, so one fix is to do the following: