错误读取链接：缺少操作数

Question

我使用了这个命令：sudo apt-get remove --purge opera-stable现在我无法使用我的终端。

readlink: missing operand
Try 'readlink --help' for more information.
stat: missing operand
Try 'stat --help' for more information.
E: Problem executing scripts DPkg::Pre-Invoke 'stat -c %Z $(readlink -f $(which opera)) > /tmp/opera.timestamp'
E: Sub-process returned an error code