texlive 导致 ubuntu 的一些包卸载错误

卸载(purge, 不知道会不会影响一般卸载和安装）报错install-info: No dir file specified; try --help for more information.

在https://lists.ubuntu.com/archives/universe-bugs/2009-January/039982.html处看到了提示

原因是texlive安装后的其install-info的路径优先级比系统的优先级高，而二者不兼容

解决办法是在卸载包的时候临时将texlive的install-info改名

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